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Media WriteBlocker

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.

About Media WriteBlocker

Digital and forensics investigators, corporate IT staff, technicians, and lawyers who want to view and evaluate a flash drive or memory card, without tampering with the evidence, rely upon the CRU® WiebeTech® Media WriteBlocker.

Need to view a flash drive for evidence? Just connect it to the Media WriteBlocker. You’ll be able to view the drive and its contents without making any changes to it. The evidence will be preserved.

The Media WriteBlocker connects to a variety of flash media: SD Cards, CompactFlash, Memory Sticks, and USB thumb drives.

Additional features:

  • Compact and lightweight design
  • Optional read/write mode
  • Free US-based customer support
  • 2-year limited warranty

Whether you’re an IT manager, forensic investigator, or lawyer, the Media WriteBlocker is a necessary part of your investigation toolkit. Find a reseller near you or buy online.

    • Easy flash drive write blocking
    • Reliable evidence protection
    • Multiple media connection types

Included Items

  • USB cable (type A to micro-B)
  • MicroSD adapter
  • Quick start guide

Frequently Asked Questions


Documentation and Downloads

About Media WriteBlocker

Digital and forensics investigators, corporate IT staff, technicians, and lawyers who want to view and evaluate a flash drive or memory card, without tampering with the evidence, rely upon the CRU® WiebeTech® Media WriteBlocker.

Need to view a flash drive for evidence? Just connect it to the Media WriteBlocker. You’ll be able to view the drive and its contents without making any changes to it. The evidence will be preserved.

The Media WriteBlocker connects to a variety of flash media: SD Cards, CompactFlash, Memory Sticks, and USB thumb drives.

Additional features:

  • Compact and lightweight design
  • Optional read/write mode
  • Free US-based customer support
  • 2-year limited warranty

Whether you’re an IT manager, forensic investigator, or lawyer, the Media WriteBlocker is a necessary part of your investigation toolkit. Find a reseller near you or buy online.

    • Easy flash drive write blocking
    • Reliable evidence protection
    • Multiple media connection types

Included Items

  • USB cable (type A to micro-B)
  • MicroSD adapter
  • Quick start guide

Frequently Asked Questions


Documentation and Downloads

Need help? Talk with our sales team.

Interested in speaking to a WiebeTech representative about your needs? We’re here to help you find the forensic device that fits your requirements.