USB 3.1 WriteBlocker

Fast forensic access to USB 3.0 and 3.1 storage devices


    • Digital forensics investigators, lawyers, and corporate IT staff who want to view, examine, and image drives quickly and easily, look to the CRU® WiebeTech® USB 3.1 WriteBlocker™ to ensure they are protecting and not altering data.The handheld and lightweight USB 3.1 WriteBlocker connects via a Windows operating system host's USB 3.1 interface to allow investigators and technicians to look through the contents of a drive without risking any damage or disruption of source data. Simply use the included USB 3.1 cable to connect the USB 3.1 WriteBlocker to the drive or drives you wish to inspect.Additional features:
      • Bus powered
      • Status LED indicates if drive is safe to inspect
      • Industry-leading 3-year warranty
      • Free, US-based customer support

      The WiebeTech WriteBlocking Validation Utility, our complimentary Windows application, tests the reliability of any write blocker available, hardware or software.

      Included Items

      • USB 3.x cable (type C to C)
      • USB 3.0 cable (type C to A)
      • AC adapter
      • Quick start guide
      • USB thumb drive containing drivers and related files

Writeblocker USB 3.1 Quick Start Guide

Technical Specs


Product name USB 3.1 WriteBlocker
Patent Patent Pending
Host (I/O) Ports (1) USB 3.1 gen2 Type-C: up to 10 Gbps
Drive Types Supported
  • USB Thumb Drives
  • USB drives via USB cable (if the device class is USB Mass Storage Device and it does not use proprietary firmware)
Number of LEDs 1
Description of LEDs Power/Authentication status
Operating system compatibility Windows 8.1 or 10 (note: virtual machines not supported)
Construction material(s) ABS
Power input connector Barrel connector (center pin positive)
Bus power Yes (one port)
Dimensions 3.43" x 2.05" x 1.02" (87mm x 52mm x 26mm)
Weight 0.13 lbs. (0.06 kg)
Write Blocking Yes
Write Blocked ports Two USB 3.1 gen2 Type-C, one USB 3.0 Type-A
Compliancy FCC, CE, RoHS, RCM

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