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SSD Controller Recovery

Samsung Pascal Controller Data Recovery

Samsung's Pascal is an 8nm, 8-channel NVMe Gen4 controller used in the 990 PRO. PC-3000 firmware-level FTL rebuilding is not available for Pascal. If the drive still enumerates, PC-3000 can force PCIe Gen1x1 speeds to stabilize the connection for extraction. If the controller is dead, recovery requires component-level voltage rail probing and PMIC microsoldering. PC-3000 SSD access for this controller is limited. Recovery starts at $200. No diagnostic fee.

Louis Rossmann
Written by
Louis Rossmann
Founder & Chief Technician
Updated April 2026

Samsung Pascal Controller Specifications

ManufacturerSamsung
InterfaceNVMe Gen4
NAND Types3D TLC
DRAM CacheYes
Channels8
PC-3000 SupportLimited / Generic NVMe
Chip-Off ViabilityNot viable (AES-256 hardware encryption)

PC-3000 developing support. 8nm controller. The 990 EVO uses a different controller (Piccolo) and is not covered here.

Affected SSD Models

The Samsung Pascal Controller is deployed in the following consumer drives. A failure in this controller impacts access to the NAND flash on these specific models.

#Drive ModelInterface
1Samsung 990 PRONVMe Gen4

Common Failure Modes and Symptoms

Each failure mode below describes a specific way the Samsung Pascal Controller fails and the symptoms you will observe. If your SSD matches any of these patterns, do not run recovery software; it cannot communicate with a dead controller. See why SSDs report 0 bytes for a deeper technical explanation of controller and FTL failures.

Firmware panic / BSOD

Firmware panics cause the drive to drop offline, trigger BSODs, or fail to initialize. Because PC-3000 firmware-level FTL rebuilding is not available for Pascal, recovery relies on stabilizing the hardware through board-level repair.

  • Drive not recognized in BIOS
  • BSOD with 990 PRO installed
  • Incorrect temperature readings
  • Drive disappears randomly under load
SMART health degradation bug

Early 990 PRO batches suffered from a firmware anomaly where the Pascal controller incorrectly calculates wear-leveling and NAND degradation. SMART health percentages drop at an impossible rate (10% within days with minimal writes). Once health reaches 0%, the controller enters read-only mode or BSY state from a corrupted defect mapping table.

  • SMART health dropping rapidly with minimal writes
  • Health percentage fell 10% or more in days
  • Drive entered read-only mode prematurely
  • Samsung Magician shows critical health warning
Controller electrical failure

The Pascal controller or surrounding power management ICs fail electrically, preventing the drive from initializing. Because PC-3000 lacks firmware loaders for Pascal, recovery requires component-level microsoldering rather than software-based FTL reconstruction. If the Pascal IC itself has a dead short to ground, the data is unrecoverable.

  • Drive completely dead, no enumeration in any system
  • No response to PCIe bus queries
  • No power draw or abnormal power draw measured at M.2 connector
  • Drive does not appear in any USB enclosure or system

Samsung Pascal Controller Recovery Process

PC-3000 firmware-level FTL rebuilding is not available for Pascal. Recovery depends entirely on keeping or restoring the original Pascal IC. If the controller silicon has a dead short to ground, the AES-256 encryption key is permanently lost and the data is unrecoverable.

  1. Connect drive to PC-3000 Portable III via M.2 NVMe adapter
  2. If drive still enumerates: force PCIe link to Gen1x1 speeds via PC-3000 to stabilize the connection for extraction
  3. Perform sector-by-sector extraction with hardware read retries and custom timeout values
  4. If drive is in BSY state (dead): perform component-level diagnostics, probing 3.3V, 1.8V, and 1.2V voltage rails with a digital multimeter
  5. If PMIC is shorted: microsolder a replacement component to restore controller power delivery
  6. If Pascal IC has a dead short to ground: the AES-256 Media Encryption Key is lost and data is unrecoverable

Equipment Used

  • PC-3000 Portable III
  • FLIR thermal camera
  • Hakko FM-2032 microsoldering iron
  • digital multimeter

Learn more: how SSD controller encryption affects recovery | how wear leveling works

Transparent Pricing for NVMe Gen4 SSD Recovery

Flat-rate pricing with no diagnostic fees. The cost to recover data from a Samsung Pascal Controller-based SSD depends on the severity of the failure. For the full diagnostic path across controller, firmware, and NAND-level failures, see our SSD data recovery flagship; deleted-file cases are governed by DZAT and NAND physics. No data, no recovery fee. Full SSD recovery cost breakdown.

TierWhat It CoversPrice
Simple CopyYour NVMe drive works, you just need the data moved off it$200
File System RecoveryYour NVMe drive isn't showing up, but it's not physically damagedFrom $250
Circuit Board RepairYour NVMe drive won't power on or has shorted components$600–$900
Firmware RecoveryYour NVMe drive is detected but shows the wrong name, wrong size, or no data$900–$1,200
PCB / NAND SwapYour NVMe drive's circuit board is severely damaged and requires NAND chip transplant to a donor PCB$1,200–$2,500

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

Frequently Asked Questions

Can software recover data from a dead Samsung Pascal Controller?
No. When the Samsung Pascal Controller fails, the drive does not enumerate in your operating system. Recovery software requires a functional controller to communicate with the NAND flash. The first step is board-level component repair to restore power delivery and controller function, then firmware-level access through PC-3000 SSD.
Why not use chip-off recovery on Samsung SSDs?
The Samsung Pascal Controller uses hardware-level AES-256 encryption with keys fused to the controller silicon. Desoldering the NAND chips and reading them in a programmer produces only encrypted data. The only recovery path is reviving the original controller through board-level component repair so it can decrypt its own NAND contents.
How much does Samsung Pascal Controller data recovery cost?
NVMe Gen4 SSD recovery at our Austin, TX lab ranges from $200 for a simple data copy to $1,200–$2,500 for NAND transplant. Circuit board repair for a failed Samsung Pascal Controller falls in the $600–$900 tier. Firmware recovery is $900–$1,200. No diagnostic fee. No data, no recovery fee. +$100 rush fee to move to the front of the queue.
Can you recover deleted files from a Samsung Pascal Controller SSD?
TRIM marks deleted blocks for garbage collection on modern SSDs. The controller enforces Deterministic Zero After TRIM (DZAT on SATA, DLFEAT=001b on NVMe) at the protocol layer; every subsequent read to a TRIMmed LBA returns zeroes from the controller regardless of whether the NAND cells have been physically erased yet. The original charge states survive on NAND until garbage collection applies the +15-20V Fowler-Nordheim erase voltage, which is a narrow window. We specialize in recovering data from hardware failures: dead controllers, firmware corruption, and failed power delivery components.

Need Samsung Pascal Controller Recovery?

Ship your NVMe Gen4 SSD to our Austin, TX lab. Free evaluation, no diagnostic fee. If we recover your data, you pay the quoted tier. If not, you pay nothing.

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