Media WriteBlocker

This product is discontinued

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    • Easy flash drive write blocking
    • Reliable evidence protection
    • Multiple media connection types
The Media WriteBlocker™ is a professional forensic tool for investigating USB and flash media devices, such as thumb drives, SD cards, and CF cards. It is relied on by digital investigators, technicians, and IT staff.

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Technical Specs

Part Number 31300-0183-0000
Product Name Media WriteBlocker
Host (I/O) Ports (1) USB 2.0: up to 480 Mbps
Drive Types Supported Compact Flash
SD Card
Memory Stick
USB Thumb Drives
USB drives via USB cable
Maximum HDD size 2000 GB (1000 GB in a Terabyte)
Number of LEDs 1
Description of LEDs single bi-color LED indicates power, drive access, and write-block/read-write mode
Operating system compatibility Windows XP or later
Windows Server 2003 or later
Mac OS X
Most modern Linux distributions
Construction material(s) ABS
Bus power Yes
Dimensions 3.11" x 1.93" x 0.87" (79mm x 49mm x 22mm)
Weight 0.10 lbs. (0.05 kg)
Write Blocking Yes
Write Protection write-blocked, with optional read-write mode
Compliance FCC, CE, RoHS, RCM
Warranty CDSG provides a 2-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.
Resources and Documents

Product Description



Products and Accessories

Media WriteBlocker
Write-blocked access to USB thumb drives & flash cards (e.g. SD, CF); bus powered
Black; includes cable
part #: 31300-0183-0000