Recovery Software vs. Hardware Recovery

Stellar Data Recovery Alternative for Hardware Failure

Written by

Founder & Chief Technician

Updated March 2026

12 min read

Stellar Data Recovery is a legitimate tool for logical failures: accidental deletion, formatted volumes, corrupted partitions on physically healthy drives. If the drive is detected by your operating system with its correct model number and capacity, Stellar is a reasonable starting point. But if the drive is clicking, not spinning, showing up as "SATAFIRM S11" with 0 bytes, or Stellar is frozen mid-scan with no progress, the problem is hardware. No software can bypass broken read/write heads, a locked SSD controller, or Apple Silicon hardware encryption. That is a limitation of every application that communicates through the operating system's standard storage interface.

Get a Free Evaluation Hard Drive Recovery Overview

No Data, No Fee

Guarantee

2.49M+

Subscribers

4.9

1,837+ Google Reviews

Since 2008

Established

Repairs on Video

Full Transparency

As Featured In

BBC News CBC News ABC Australia Wall Street Journal Business Insider Vice Fast Company 404 Media

When Stellar Is the Right Tool

Stellar Data Recovery scans file system metadata, partition tables, and unallocated disk space for recognizable file signatures. It can rebuild corrupted directory entries, locate lost partitions, and carve files from raw sectors. This works when:

The drive spins up normally and is detected in BIOS/UEFI with its correct model number and capacity
The drive appears in Disk Management (Windows) or Disk Utility (macOS), even if the volume is not mountable
You accidentally deleted files, formatted the wrong partition, or the file system corrupted after an improper shutdown or power loss
The drive does not make unusual sounds (clicking, beeping, grinding) when powered on

In these scenarios, Stellar, R-Studio, DMDE, PhotoRec, and similar tools are appropriate. Professional recovery would be unnecessary overhead. Stellar's Standard edition ($59.99/year) or Professional edition ($89.99/year) covers the same logical recovery scenarios. The free version caps actual data recovery at 1 GB. If you want a free method that handles the same work without a license fee, our ddrescue guide covers sector-level cloning with open-source tools.

Where Stellar Data Recovery Stops Working

When Stellar hangs, recovers only corrupted files, or cannot see the drive at all, the problem is below the software layer. Stellar communicates through the OS standard ATA/NVMe driver. If the hardware between the NAND flash and the operating system is broken, no scan settings or license tier will change the outcome.

Failing Read/Write Heads (HDD)

A hard drive reads data by flying a magnetic head nanometers above a spinning platter. When a head is degraded, it can still read some sectors but fails on others. The drive's firmware retries each failed read multiple times before reporting an error to the OS. During those retries, the drive is unresponsive. Stellar freezes because it is waiting on a hardware response that takes seconds instead of milliseconds. If the heads are severely damaged, the drive clicks repeatedly as it tries to recalibrate heads that can no longer position correctly.

Firmware Corruption

Hard drives store their operating firmware partly on the platters in a reserved area called the Service Area (SA). If SA modules become corrupted or unreadable, the drive may not initialize properly: it might spin up, get detected with a wrong capacity or model name, or fail to enumerate at all. Stellar cannot interact with a drive that has not finished its initialization sequence because the drive itself does not know how to present its data to the host system.

SMR Complications

Modern consumer HDDs use Shingled Magnetic Recording (SMR), where data tracks overlap like shingles on a roof. When Stellar gets stuck reading bad sectors on an SMR drive, the drive's background garbage collection process may continue running, rewriting adjacent tracks to consolidate data. This background process can overwrite recoverable data while the software is hung waiting for a read response. The longer a failing SMR drive stays powered on, the more data the controller may silently destroy through internal maintenance operations.

Seagate Rosewood: Media Cache Corruption

The Seagate Rosewood family (ST1000LM035, ST2000LM007, ST500LM030) uses SMR with a Media Cache Management Table (MCMT) that maps cached writes to their final locations on the shingled zones. When power is lost during a cache flush, the MCMT corrupts. The drive may spin up normally and appear in BIOS with the correct model number, but sector reads hang as the firmware enters auto-repair loops. Stellar and other software scans force the drive through these loops repeatedly, and each failed attempt can trigger additional MCMT rewrites.

Standard firmware repair commands (translator regeneration) wipe the MCMT entirely, destroying user data that was still in the media cache waiting to be flushed. Rosewood recovery requires terminal-level access through PC-3000 to disable the auto-repair routines before imaging the cache contents. This failure pattern is one of the most common reasons Stellar freezes on 2.5-inch hard drive recovery cases sent to our lab.

WD Palmer and Spyglass: SMR Translator Failures

Western Digital 2.5-inch drives from the Palmer and Spyglass platform families (WD20SPZX, WD10SPZX, WD5000LPZX) combine SMR with Self-Encrypting Drive (SED) features. When these drives develop read instability, Stellar scans at single-digit KB/s or freezes entirely. The root cause is in the Service Area (SA): the SMR translator stored in SA Module 190 controls address mapping between the media cache and the shingled zones.

Standard SA access commands used by generic firmware repair utilities can corrupt this translator and render the data permanently unrecoverable. PC-3000 addresses WD SMR translator failures by reconstructing the damaged Module 190 translator and locking User Area writes to prevent background garbage collection from erasing data during imaging. This is a hardware-level firmware manipulation that no consumer software can replicate.

Drive Dropping Off the Bus

When a drive encounters persistent read errors, its firmware may reset the SATA or USB interface. Stellar's scan stops because the device just disappeared from the system. USB enclosures are prone to this because many consumer USB-SATA bridge chips have short timeout thresholds and drop the connection when the drive does not respond in time.

If Stellar is frozen or scanning at near-zero speed, stop the scan and power down the drive. Leaving a physically failing drive running for hours while software retries reads can score the platter surface and permanently destroy data that was otherwise recoverable.

Why Stellar Recovers 0-Byte Files from SSDs

Users report that Stellar finds deleted files on their SSD, but the recovered files are 0 bytes, unplayable, or corrupted. This is not a bug in Stellar. It is TRIM doing what it was designed to do.

TRIM is an ATA command the operating system sends to the SSD when a file is deleted. It notifies the controller that specific NAND flash blocks are no longer needed. The controller then erases those blocks during its internal garbage collection cycle. On a mechanical hard drive, deleting a file marks the space as available in the file system but leaves the magnetic data intact until something overwrites it. On an SSD with TRIM active, the controller erases the underlying NAND cells during garbage collection. The data is gone electrically, not just logically.

What Stellar recovers in this scenario is the file system pointer: the Master File Table (MFT) entry that says a file existed at specific clusters. The pointer survives because the MFT is stored separately from the data. But when Stellar follows that pointer to read the actual file content, the NAND blocks have been erased by the controller. The result is a file with the correct name and file size but no actual data inside.

TRIM is enabled by default on every modern SSD running Windows 7 and later, macOS 10.10.4 and later, and most current Linux distributions with kernel 3.8 and above. If you deleted files on an SSD and more than a few seconds passed before you noticed, TRIM has likely already run on those blocks.

SSD Data Recovery Can You Recover Data After TRIM?

SSD Controller Failures: When the Drive Is Invisible to Software

Some SSD failures do not erase data. They make the controller stop communicating. The NAND flash chips still hold the data intact, but the controller is the only path between the NAND and the operating system. When the controller locks up, Stellar and every other OS-level tool see nothing.

Phison S11: SATAFIRM S11 Mode

When a Phison PS3111-S11-based SSD encounters firmware corruption, the controller enters a lockup mode. The host system identifies the drive as "SATAFIRM S11" with a reported capacity of 0 bytes. The drive is present on the SATA bus but returning invalid identification data. Stellar will either not see the drive at all or see a 0-byte device with no scannable sectors. PC-3000 SSD communicates directly with the controller through vendor-specific commands to push it out of the lockup state and access the NAND contents.

Silicon Motion SM2258XT: Stalled I/O

SM2258XT-based SSDs (Crucial BX500, ADATA SU650) can enter a state where the drive enumerates on the SATA bus with correct capacity and appears in Device Manager, but all read operations stall. The OS reports 100% disk activity indefinitely. The controller accepts commands but does not process them, so no data transfers complete. Stellar's scan will hang at 0% or 1% with no progress because every read request the software sends is accepted by the controller but never fulfilled. The NAND data is intact; the controller is the failure point.

Breaking this cycle requires locating the safe mode shorting pins on the SSD's PCB and shorting them during power-on. This blocks the controller from accessing NAND during boot, forcing it into ROM mode. Once in ROM mode, PC-3000 SSD uploads a custom loader into the controller's RAM that disables background garbage collection and switches to slower single-channel access for stability. The technician can then extract data sector by sector from NAND that Stellar could never reach because the controller was blocking all standard I/O paths.

NVMe Monolithic BGA Packages

Modern NVMe SSDs are monolithic BGA (Ball Grid Array) packages where the controller, DRAM cache, and NAND flash are soldered together on a single substrate. If the controller dies due to a power surge or firmware failure, the entire package stops enumerating on the PCIe bus. The operating system sees no device. There is no cable to swap, no enclosure to try. Recovery requires board-level diagnosis: checking power rails with an oscilloscope, replacing failed voltage regulators via microsoldering, or in some cases extracting NAND chips and reading them directly with specialized equipment.

Phison E16 and E18: Firmware Panic and FTL Corruption

PCIe Gen4 NVMe drives using Phison controllers are prone to FTL corruption after sudden power loss. The Flash Translation Layer (FTL) maps logical block addresses (LBAs) to physical NAND page locations. When a power loss interrupts a write operation or garbage collection cycle, the FTL metadata corrupts and the controller enters a persistent BSY (Busy) state or firmware panic. The drive either disappears from BIOS or reports an incorrect capacity (a common symptom is a 144 PB size glitch in Disk Management). Software scans freeze because no valid LBA map exists for the controller to translate read requests.

For the Phison E16 (Corsair MP600, Sabrent Rocket 4.0, Seagate FireCuda 520), PC-3000 Portable III can access the controller through vendor-specific diagnostic commands (Technological Mode) and rebuild the virtual translator to extract data. The newer Phison E18 (Kingston KC3000, Corsair MP600 PRO, Seagate FireCuda 530) enforces AES-256 encryption with TCG Opal 2.0, which limits what diagnostic tools can do when the FTL is severely corrupted. For E18 drives, recovery often requires board-level repair of the power delivery circuit to restore the controller's native firmware execution, since the encryption keys cannot be extracted without the original controller functioning. Professional SSD recovery evaluates each Phison failure individually to determine the viable path.

Samsung Phoenix and Elpis: AES-256 Encryption Dependencies

Samsung 970 EVO (Phoenix controller) and 980 Pro (Elpis controller) SSDs can fail while consumer diagnostic tools report the drive as healthy. Samsung Magician and SMART attributes rely on the firmware's voluntary reporting; if the firmware masks unreadable sectors or internal errors, all software tools are blind to the degradation. When the controller finally halts due to NAND wear or firmware corruption, it enters panic mode and stops responding to standard NVMe commands.

Samsung controllers implement always-on hardware AES-256 encryption. The Media Encryption Key (MEK) is bound to the specific controller silicon. Traditional chip-off recovery (desoldering NAND chips to read them on external equipment) yields only unreadable ciphertext because the decryption key died with the controller. Recovery requires repairing the power delivery circuit around the original controller to keep it alive, or using PC-3000 Samsung vendor-specific commands to reload firmware without destroying the encryption key chain.

Marvell 88SS1074: Persistent BSY State

The Marvell 88SS1074 controller powers several mainstream SATA SSDs including the Western Digital Blue 3D NAND and SanDisk Ultra 3D. When the internal firmware micro-program degrades after a power event, the controller enters a persistent BSY (Busy) state and drops off the SATA bus. The operating system and Stellar see no device at all. Unlike Phison controllers that at least enumerate with an error identity (such as "SATAFIRM S11"), the Marvell 88SS1074 ceases all ATA communication when its firmware fails.

Recovery through PC-3000 SSD requires a Terminal 3 hardware connection operating at 1.8V, which is lower than the standard 3.3V used by most SSD controllers. This specialized connection uploads a custom loader that restores firmware execution and provides access to the NAND contents. No consumer software or generic USB adapter can send these electrical terminal commands, making this a professional SSD recovery task from the moment of failure.

Apple T2 and M-Series Macs: Why Software Cannot Help

Mac users looking for Stellar alternatives face an additional constraint. On Macs with T2 security chips (2018-2020 Intel Macs) and all Apple Silicon Macs (M1/M2/M3/M4), the SSD storage is encrypted at the hardware level by the Secure Enclave. The encryption keys are bound to the specific security chip on that specific logic board.

If the logic board dies, the NAND chips cannot be read by any external tool because the decryption keys died with the board. Stellar, Disk Drill, and every other software tool are not just ineffective here; they cannot even begin a scan because the data is AES-encrypted at the hardware level. The NAND blocks contain ciphertext that is meaningless without the Secure Enclave key.

The only path to data is repairing the original logic board at the component level to restore Secure Enclave functionality. This means diagnosing which power rail or component failed, sourcing donor parts, and resoldering ball grid array chips under a microscope. Chip-off NAND extraction is not viable for these devices.

Mac Data Recovery Apple T2 Chip Recovery M-Series Soldered NAND Recovery

Stellar Software vs. Professional Lab Recovery

Scenario	Stellar Data Recovery (Software)	Professional Lab Recovery
Accidental deletion (no TRIM)	Recovers files by scanning file system metadata and carving raw sectors	Can do the same work, but software is faster and cheaper for this case
SSD after TRIM	Finds file pointers only. Recovered files are 0 bytes or corrupted because NAND blocks were erased by the controller	TRIM-erased data is unrecoverable by any method. Lab recovery addresses controller lockups where NAND data is intact but inaccessible
Clicking or beeping HDD	Cannot help. Scanning forces damaged heads across platters, risking permanent surface damage	Head swap in a 0.02µm ULPA-filtered clean bench, then PC-3000 imaging with head maps and adaptive read parameters
SATAFIRM S11 / controller lockup	Drive shows 0 bytes or wrong name. Software sees nothing scannable	PC-3000 sends vendor-specific commands to push the controller out of lockup and access NAND contents directly
Apple T2/M-series Mac	Cannot decrypt. NAND is hardware-encrypted by the Secure Enclave. Software cannot access the decryption key	Board-level repair restores Secure Enclave functionality so the Mac can decrypt its own storage
NVMe monolithic BGA failure	Drive not detected on PCIe bus. No device for software to scan	Board-level diagnosis, voltage regulator replacement, or NAND extraction with specialized BGA rework equipment
Pricing	Free (1 GB cap), $59.99/yr Standard, $89.99/yr Professional, $99.99/yr Premium	HDD: $100-$2,000. SSD: $200-$1,500. Free evaluation. No data, no fee

How Hardware-Level Recovery Works

The PC-3000 is a PCIe hardware card paired with proprietary software that sends vendor-specific ATA commands to the drive's firmware. These are commands that a standard motherboard SATA controller cannot issue and that Stellar has no mechanism to send. This gives a technician direct access to:

Firmware modules stored in the drive's Service Area, including translator tables that map logical block addresses (LBAs) to physical platter locations
Head maps and defect lists that control which heads are active and which sectors are excluded from normal operation
Read parameters including head positioning offsets, retry behavior, and timeout thresholds. A technician can disable the drive's internal retry logic and control read attempts directly, preventing the drive from endlessly retrying bad sectors (which is what causes Stellar to freeze)
Selective imaging where the tool reads accessible areas first, skips damaged regions, and returns to them in later passes with adjusted parameters. Stellar does a sequential scan from sector 0 to the end; PC-3000 prioritizes the areas most likely to contain the target data

How to Tell If Your Problem Is Hardware

Before deciding between software and professional recovery, check these indicators:

Check Task Manager or Activity Monitor. If Stellar shows 0% CPU and 0% disk usage while the scan progress bar is stuck, the drive's controller has locked up the I/O bus. The software is waiting for a response the hardware cannot provide.
Listen to the physical drive. Clicking, beeping, or rhythmic sweeping sounds indicate a mechanical head failure. Software cannot bypass physical geometry damage.
Check Disk Management or Disk Utility. If the drive shows as "Not Initialized," reports 0 bytes, displays the wrong model name, or drops out entirely during a Stellar scan, the firmware or controller hardware has failed.
Monitor scan duration vs. progress. A healthy 2TB drive should complete a deep scan in 4-8 hours depending on interface speed. If Stellar has been running for 24+ hours with less than 5% progress, the drive is struggling to read sectors and powering it down preserves more data than forcing the scan to continue.

Likely Logical (Software Can Help)

Drive detected with correct model and capacity
No unusual sounds from the drive
Files were accidentally deleted or partition was formatted
Stellar scan completes and finds files

Likely Physical (Software Will Not Help)

Drive clicking, beeping, or grinding
Not detected in BIOS or shows 0 GB / wrong name
Stellar frozen with no progress for hours
Drive disappears mid-scan or after power cycling

Hard Drive Recovery Pricing

We quote based on the fault, not the perceived value of your data. Evaluation is free. No data recovered means no charge.

Simple Copy

Low complexity

Your drive works, you just need the data moved off it

$100

3-5 business days

Functional drive; data transfer to new media

Rush available: +$100

File System Recovery

Low complexity

Your drive isn't recognized by your computer, but it's not making unusual sounds

From $250

2-4 weeks

File system corruption. Accessible with professional recovery software but not by the OS

Starting price; final depends on complexity

Firmware Repair

Medium complexity

Your drive is completely inaccessible. It may be detected but shows the wrong size or won't respond

$600–$900

3-6 weeks

Firmware corruption: ROM, modules, or translator tables corrupted; requires PC-3000 terminal access

CMR drive: $600. SMR drive: $900.

Head Swap

High complexityMost Common

Your drive is clicking, beeping, or won't spin. The internal read/write heads have failed

$1,200–$1,500

4-8 weeks

Head stack assembly failure. Transplanting heads from a matching donor drive on a clean bench

50% deposit required. CMR: $1,200-$1,500 + donor. SMR: $1,500 + donor.

50% deposit required

Surface / Platter Damage

High complexity

Your drive was dropped, has visible damage, or a head crash scraped the platters

$2,000

4-8 weeks

Platter scoring or contamination. Requires platter cleaning and head swap

50% deposit required. Donor parts are consumed in the repair. Most difficult recovery type.

50% deposit required

Hardware Repair vs. Software Locks

Our "no data, no fee" policy applies to hardware recovery. We do not bill for unsuccessful physical repairs. If we replace a hard drive read/write head assembly or repair a liquid-damaged logic board to a bootable state, the hardware repair is complete and standard rates apply. If data remains inaccessible due to user-configured software locks, a forgotten passcode, or a remote wipe command, the physical repair is still billable. We cannot bypass user encryption or activation locks.

No data, no fee. Free evaluation and firm quote before any paid work. Full guarantee details. Head swap and surface damage require a 50% deposit because donor parts are consumed in the attempt.

Rush fee: +$100 rush fee to move to the front of the queue.

Donor drives: Donor drives are matching drives used for parts. Typical donor cost: $50–$150 for common drives, $200–$400 for rare or high-capacity models. We source the cheapest compatible donor available.

Target drive: The destination drive we copy recovered data onto. You can supply your own or we provide one at cost plus a small markup. For larger capacities (8TB, 10TB, 16TB and above), target drives cost $400+ extra. All prices are plus applicable tax.

SSD Recovery Pricing

SSD recovery pricing is based on the type of failure and the level of intervention required, from file system repair through controller-level recovery.

Simple Copy

Low complexity

Your drive works, you just need the data moved off it

$200

3-5 business days

Functional drive; data transfer to new media

Rush available: +$100

File System Recovery

Low complexity

Your drive isn't showing up, but it's not physically damaged

From $250

2-4 weeks

File system corruption. Visible to recovery software but not to OS

Starting price; final depends on complexity

Circuit Board Repair

Medium complexity

Your drive won't power on or has shorted components

$450–$600

3-6 weeks

PCB issues: failed voltage regulators, dead PMICs, shorted capacitors

May require a donor drive (additional cost)

Firmware Recovery

Medium complexityMost Common

Your drive is detected but shows the wrong name, wrong size, or no data

$600–$900

3-6 weeks

Firmware corruption: ROM, modules, or system files corrupted

Price depends on extent of bad areas in NAND

PCB / NAND Swap

High complexity

Your drive's circuit board is severely damaged and requires NAND chip transplant to a donor PCB

$1,200–$1,500

4-8 weeks

NAND swap onto donor PCB. Precision microsoldering and BGA rework required

50% deposit required; donor drive cost additional

50% deposit required

Hardware Repair vs. Software Locks

No data, no fee. Free evaluation and firm quote before any paid work. Full guarantee details. NAND swap requires a 50% deposit because donor parts are consumed in the attempt.

Rush fee: +$100 rush fee to move to the front of the queue.

Donor drives: A donor drive is a matching SSD used for its circuit board. Typical donor cost: $40–$100 for common models, $150–$300 for discontinued or rare controllers.

Target drive: The destination drive we copy recovered data onto. You can supply your own or we provide one at cost plus a small markup. All prices are plus applicable tax.

Frequently Asked Questions

Why does Stellar Data Recovery show my files but recover them as corrupted?

On SSDs, this is caused by the TRIM command. When you delete a file, the operating system sends a TRIM notification telling the SSD controller those NAND flash blocks are no longer needed. The controller then erases them during its internal garbage collection cycle. The file system metadata (the directory entry showing the file name and size) may still exist, which is why Stellar finds the file during a scan. But when the software tries to read the actual file data, it pulls from blocks the controller has already erased. The result is a file with the correct name but no usable content inside. On HDDs, corrupted recoveries usually indicate the sectors holding the file data were overwritten or the read/write heads were too degraded to read them cleanly.

Is Stellar Data Recovery legitimate?

Stellar is a real company that has operated for over two decades. Their software handles logical data loss scenarios on healthy drives: accidental deletion, formatted partitions, corrupted file systems. User frustration typically comes from cases where the free version scans a drive and displays file names, prompting a license purchase, but the recovered files turn out corrupted because the underlying failure was hardware-based, not logical. Stellar software did what it was designed to do; the problem is that the drive needed hardware-level intervention, not a software scan.

What should I do if Stellar Data Recovery is stuck or frozen during a scan?

Power off the drive. A scan that hangs for hours or estimates hundreds of hours to complete is reading from a drive with failing hardware. On HDDs, this means degraded read/write heads are causing the drive firmware to enter internal retry loops on bad sectors. On SSDs, it can indicate a controller that is accepting commands but not processing them. Forcing a failing drive to keep running while software retries reads accelerates the damage. The data may still be recoverable with hardware-level tools, but only if the drive is powered down before the heads score the platter surface or the controller locks out entirely.

Can Stellar Data Recovery fix the SATAFIRM S11 error?

No. When an SSD shows up as "SATAFIRM S11" with 0 bytes capacity, the Phison PS3111-S11 controller has entered a firmware lockup state. The drive is present on the SATA bus but returning invalid identification data. Stellar and all other consumer software rely on the operating system's standard storage interface to communicate with the drive, and that interface requires the controller to be functioning normally. PC-3000 SSD sends vendor-specific commands directly to the controller, pushing it out of the lockup state and accessing the NAND contents through the controller's diagnostic interface.

How does Stellar pricing compare to professional lab recovery?

Stellar's Standard edition costs $59.99/year and the Professional edition costs $89.99/year. The free version caps recovery at 1 GB. Professional recovery at our lab starts at $100 for HDD and $200 for SSD, with free evaluation and no charge if we cannot recover data. These address different categories of failure. Stellar handles logical failures on healthy drives. Professional recovery handles physical failures, firmware corruption, and controller lockups where the drive hardware itself has failed. If Stellar can solve your problem, it costs less. If the drive has a hardware fault, no software license will change that.

Why does Stellar show an incorrect capacity or 0 bytes for my NVMe SSD?

When an NVMe SSD reports 0 bytes or an impossibly large capacity (such as 144 PB in Disk Management), the drive's Flash Translation Layer (FTL) has corrupted. The FTL maps logical block addresses to physical NAND pages; without it, the controller cannot locate any stored data. This typically follows a sudden power loss during a write operation. PC-3000 Portable III places the controller in Technological Mode and rebuilds the virtual translator to extract data that the OS and Stellar cannot see.

Can I try Disk Drill or Recuva if Stellar is stuck scanning?

No. If Stellar freezes or takes days to complete a scan, the drive has a hardware problem: degraded read/write heads on an HDD, or a stalling controller on an SSD. Running alternative software forces the failing hardware to keep retrying reads, which scores platter surfaces on HDDs and can permanently kill a degraded SSD controller. Power off the drive immediately. Professional hard drive recovery or SSD recovery can still extract data through hardware-level tools like PC-3000, but only if the drive is shut down before the damage compounds.

Can Stellar Repair for Exchange Server or SQL Server fix my corrupted database?

Stellar sells dedicated database repair tools for Exchange Server (.edb), SQL Server (.mdf), and SharePoint that parse and reconstruct corrupted database files at the logical level. These tools require a healthy underlying storage medium to read the file structure. If the server's RAID array has physically degraded disks or the SAN controller has failed, the database corruption is a symptom of hardware failure, not standalone logical corruption. The repair tool reads from storage that is returning bad sectors or incomplete data, producing output that cannot be reconstructed. The storage layer must be recovered first through hardware-level RAID imaging and reconstruction before any database repair utility can function.

What Customers Say

4.9 across 1,837+ verified Google reviews

May 10, 2020

“I consulted Rossmann Repair Group for data recovery services. A new IT client was recently referred to me, because his main computer crashed and his business database went offline as a result. It turned out that the computer crashed because its main storage, a 500 GB Solid State Hybrid Drive, failed. That part was easy - replace it with a new 1 TB SSD and reinstall Windows along with the software he uses. However, the data on the SSHD was critical and would have meant serious problems for his business if he didn't get that back. That's where Rossmann Repair Group came in.”

Shomari Hohn

View on Google

July 24, 2024

“Went in to ask if they could retrieve my SSD from my Surface Pro 4 for me and they gave me a good rate, but was still a bit too expensive for me. So, they let me use their equipment for about an hour until I was able to fish it out myself and recover my data.”

Aravind Udayakumar

View on Google

November 17, 2021

“Sent in a SSD for data recovery for a client of mine. Data was recovered! What else can I say. Thank you.”

David Dachenhaus (DDock)

View on Google

February 2, 2026

“Amazing place! Super friendly and knowledgeable people! I have a LaCie Rugged Pro SSD that stopped mounting. It turns out the enclosure was the problem, not the SSD itself. They helped diagnose the issue and offered solutions—all free of charge. Great experience, and I highly recommend them! 😊”

Ludwig JonssonLaCie

View on Google

Read all 1,837+ reviews

Data Recovery Standards & Verification

Our Austin lab operates on a transparency-first model. We use industry-standard recovery tools, including PC-3000 and DeepSpar, combined with strict environmental controls to make sure your hard drive is handled safely and properly. This approach allows us to serve clients nationwide with consistent technical standards.

Validated Clean Zone

Open-drive work is performed in a ULPA-filtered laminar-flow bench, validated to 0.02 µm particle count, verified using TSI P-Trak instrumentation.

Transparent History

Serving clients nationwide via mail-in service since 2008. Our lead engineer holds PC-3000 and HEX Akademia certifications for hard drive firmware repair and mechanical recovery.

Media Coverage

Our repair work has been covered by The Wall Street Journal and Business Insider, with CBC News reporting on our pricing transparency. Louis Rossmann has testified in Right to Repair hearings in multiple states and founded the Repair Preservation Group.

Aligned Incentives

Our "No Data, No Charge" policy means we assume the risk of the recovery attempt, not the client.

Technical Oversight

Louis Rossmann

Louis Rossmann's well trained staff review our lab protocols to ensure technical accuracy and honest service. Since 2008, his focus has been on clear technical communication and accurate diagnostics rather than sales-driven explanations.

We believe in proving standards rather than just stating them. We use TSI P-Trak instrumentation to verify that clean-air benchmarks are met before any drive is opened.

See our clean bench validation data and particle test video