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USB WriteBlocker pocket sized

USB WriteBlocker

  • Convenient USB write blocking

  • Reliable evidence protection

  • Simple, bus-powered operation

The USB WriteBlocker is a professional forensic tool for investigating USB mass storage devices, such as thumb drives. It is relied on by digital investigators, technicians, and IT staff.

Technical Specs

Product name

USB WriteBlocker

Host (I/O) Ports

(1) USB 2.0: up to 480 Mbps

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)

Maximum HDD size

2000 GB (1000 GB in a Terabyte)

Number of LEDs


Description of LEDs

Power, drive access

Operating system compatibility

Windows XP or later
Windows Server 2003 or later
Mac OS X
Most modern Linux distributions

Construction material(s)


Bus power



4.13" x 1.02" x 0.63" (105mm x 26mm x 16mm)


0.10 lbs. (0.05 kg)

Write Blocking



FCC, CE, RoHS, C-Tick, RCM


CRU provides a 2-year limited warranty for this product.

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