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NVMe WriteBlocker

Forensic write-blocker for NVMe SSDs

$499.00 USD

Writeblocked access to M.2 & U.2 NVMe drives; LCD; USB 3.2 Gen2 10Gbps; complete kit with drive adapters, USB cables, AC adapter

Part Number 31350-1964-0000
Product Name NVMe WriteBlocker
Host (I/O) Ports (1) USB 3.2 Gen 2 Type-C: up to 10 Gbps
Drive Types Supported PCIe/NVMe
Supports S.M.A.R.T. disk info Yes
Number of LEDs 6
Description of LEDs Write-block status, error detection, drive access, hidden area detection, DC power input, +5V/+12V power output
LCD Screen Two-line backlit LCD controlled with four soft-touch menu navigation buttons
LCD Info 2 lines x 16 characters width
LCD Backlight Yes
Navigation menu Button-driven LCD menu system
Operating system compatibility Windows 10 and 11
macOS 11 “Big Sur” or newer
Red Hat Enterprise Linux and Ubuntu LTS
Power switch 2 position: On / Off
Dimensions 2.95" x 4.33" x 1.06" (75mm x 110mm x 27mm)
Weight 0.40 lbs. (0.18 kg)
Write Blocking Yes
Compliance FCC, CE, RoHS, RCM, TAA
Warranty CDSG provides a 3-year limited warranty for this product.
Technical Support Your investment our product is backed up by our free technical support for the lifetime of the product. If you need to contact us for any reason, visit our website.

About NVMe WriteBlocker

Forensically preserves data as evidence

Keep the contents of your M.2 and U.2 NVMe SSDs untouched and unmodified, even as you examine and image them. Useful if you are a forensic investigator, IT technicial, lawyer, or cybersecurity analyst. 


Quick startup

To view an NVMe drive for evidence, just connect it to the NVMe WriteBlocker and turn it on. You’ll be able to preview the drive and its contents without making any changes to it.


Information at your fingertips

The LED indicators and LCD menu screen let you quickly access important SMART data such as hours used or number of power cycles. It can also display the model and serial number reported by the NVMe SSD's firmware.


Wide-ranging system compatibility

The NVMe WriteBlocker can be used with any computer that has a USB-C or USB-A connector.


The best customer support

Our free US-based customer support is available to help you troubleshoot throughout the life of your product. Additionally, a three-year warranty guarantees replacement of your NVMe WriteBlocker in case of hardware failure.


    • Examine the contents of NVMe SSDs without modifying the contents
    • Reliable evidence protection
    • Supports M.2 and U.2 SSDs

Included Items

  • AC adapter & power cord
  • USB Type-C cable
  • USB Type-A to Type-C cable
  • OCuLink to U.2 cable
  • U.2 to M.2 adapter
  • Quick Start Guide

Frequently Asked Questions

Documentation and Downloads

NVMe WriteBlocker
Writeblocked access to M.2 & U.2 NVMe drives; LCD; USB 3.2 Gen2 10Gbps; complete kit with drive adapters, USB cables, AC adapter
US power plug
part #: 31350-1964-0000
Ships in: 3-5 Days

UK power plug
part #: 31351-1964-0000
Ships in: 3-5 Days

EU power plug
part #: 31352-1964-0000
Ships in: 3-5 Days

Australia power plug
part #: 31353-1964-0000
Ships in: 3-5 Days

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