SKU: 38949402626

CRU USB 3.1 WriteBlocker

Sale price$194.35 Regular price$215.94
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Description

CRU USB 3.1 WriteBlockerDesigned for digital forensics investigators, legal teams, and corporate IT staff, the CRU WiebeTech USB 3. 1 WriteBlocker delivers uncompromising data integrity during drive viewing, examination, and imaging. This hardware based solution sits between the host computer and the USB storage device, enforcing true read only access to the target drive so no writes can occurwhether from the operating system, software, or user actions. Lightweight,

Designed for digital forensics investigators, legal teams, and corporate IT staff, the CRU® WiebeTech® USB 3.1 WriteBlocker delivers uncompromising data integrity during drive viewing, examination, and imaging. This hardware-based solution sits between the host computer and the USB storage device, enforcing true read-only access to the target drive so no writes can occur—whether from the operating system, software, or user actions. Lightweight, portable, and simple to deploy, it accelerates evidence collection and imaging workflows without sacrificing admissibility or chain-of-custody standards. Built by CRU WiebeTech, a trusted name in forensic hardware, the USB 3.1 WriteBlocker is purpose-built for field investigations, court-ready documentation, and incident response across diverse environments. Its USB 3.1 performance ensures fast read access to large drives while maintaining a guaranteed, hardware-enforced barrier against any unintended writes. The result is a reliable, repeatable, and legally defensible method to acquire exact copies of evidence for analysis, documentation, and disclosure.

  • Hardware-based write blocking for absolute data protection — A dedicated, non-volatile mechanism guarantees that the connected source drive cannot be written to, regardless of host software or operating system behavior. This is essential for preserving the original evidence and maintaining a defensible chain of custody during imaging and analysis.
  • USB 3.1 connectivity with fast, safe imaging — Engineered for USB 3.1 Gen 1 (5 Gbps) support, it delivers high-speed read performance essential for efficient imaging while upholding strict write-blocking. This combination shortens acquisition times without compromising data integrity or evidentiary standards.
  • Portable, field-ready design — The handheld, compact form factor fits easily into backpacks, kit bags, or evidence cabinets. Its bus-powered operation eliminates the need for an external power supply, enabling on-site imaging during investigations, legal reviews, and incident response exercises.
  • Cross-platform compatibility and workflow flexibility — Designed to work with Windows, macOS, and Linux hosts, it integrates seamlessly with standard forensic imaging tools and workflows. Whether you're producing court-ready images or performing rapid triage in the field, this write blocker keeps your process consistent and compliant.
  • Clear indicators and robust construction — Intuitive LEDs provide real-time status on the device’s operational mode, so you can verify at a glance that the drive is blocked. The unit’s rugged build supports repeated use in demanding environments, from labs to field locations.

Technical Details of CRU USB 3.1 WriteBlocker

  • Hardware write blocker — Hardware-enforced write-blocking ensures no writes reach the target USB storage device, independent of host software or drivers.
  • Interface — USB 3.1 Gen 1 (5 Gbps) compatible; backward compatible with USB 3.0/2.0 hosts for broad interoperability.
  • Power — Bus-powered via USB connection; no external power adapter required, enabling easy transport and on-site operation.
  • Drive compatibility — Supports standard USB mass storage devices used in forensic imaging workflows and investigations; optimized for common file systems encountered in evidence preservation.
  • Operating system compatibility — Designed to function with Windows, macOS, and Linux hosts without requiring specialized drivers; imaging software on the host can operate normally.
  • Indicators — Built-in LEDs provide immediate visual confirmation of the write-blocking state and device health during use.
  • Form factor and durability — Compact, rugged, and portable design suitable for fieldwork and transport between locations.

How to install CRU USB 3.1 WriteBlocker

  • Connect the CRU USB 3.1 WriteBlocker to a host computer using a USB port. Ensure the host recognizes the device and powers up normally.
  • Attach the target USB drive you plan to image to the WriteBlocker’s downstream port, following the labeling on the device to identify the correct connection point.
  • Power on or wake the host system and observe the status indicators to confirm that the drive is in a blocked/read-only state before proceeding with any imaging.
  • Launch your preferred forensic imaging or analysis software on the host. Configure the software to read from the target drive via the WriteBlocker, exactly as you would for any standard imaging workflow.
  • Begin the acquisition, ensuring your write-blocking workflow remains intact throughout the process. Validate the resulting image integrity with your standard verification methods (e.g., hash checks) as part of your routine.

Frequently asked questions

  • What is a USB 3.1 WriteBlocker? A hardware device that sits between a computer and a USB storage device to prevent any write operations, preserving the original data during imaging and analysis.
  • Why should I use a hardware write blocker? Hardware write-blocking provides tamper-evident data protection by preventing software or OS-level writes, ensuring the admissibility of evidence and accuracy of copies in forensic and legal workflows.
  • Is the WriteBlocker compatible with Windows, macOS, and Linux? Yes. It is designed to work with multiple host operating systems without requiring special drivers, enabling consistent usage across different environments.
  • Does it require external power? No. It is bus-powered through the USB connection, making it ideal for field work and locations without ready access to power sources.
  • Will it interfere with imaging speed? The device is optimized for fast read operations while maintaining strict write-blocking. Imaging times may vary with drive size and media performance, but data integrity is preserved.
  • Can I use this with all USB drives? It supports typical USB mass storage devices used in forensic work. Some unusual drives or adapters may require testing to confirm compatibility.
  • Is software configuration required? No drivers are required for operation. You can use standard forensic imaging tools with the WriteBlocker as part of your normal workflow.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 38949402626

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4.4 ★★★★★
Based on 19 reviews
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Verified Purchase
Tony Nowikowski
Draper, US
★★★★★ 1
TPMS Compatability is a LIE
Size: Sedan, Crossover, Small Truck
2018 Subaru Impreza, with one tire with a slow leak (about 2 PSI a week) that I couldn't trace. I bought the "Full-Size Sedan, Small Truck, Crossover" kit (the 6 oz. pouch) based on my tire size, 225/40/18. After I removed the valve core, attached the dispensing hose and opened the cap, the product would not flow into the tire. I squeezed the pouch, but that only made the product leak out around the valve stem onto the wheel and driveway. I tried rotating the tire so the valve stem was at the top, and and also at the bottom. I even took the wheel off so I could get a fully vertical flow. Nothing worked. I finally gave up after only about half the product was dispensed, and I do think most of it went somewhere other than in the tire. I reinstalled the valve core, remounted the wheel, plugged in my little lighter socket-powered compresseor, and tried to inflate the tire. And ... NOTHING. The pressure reading on the compressor immediately shot up to over 100 PSI, and it automatically shut off. Tried multiple times, with the same result. I again removed the valve core, and a) no air came out of the tire when I removed it, and b) even with no valve core the compressor still would not pump air into the tire. Clearly the gunk had completely blocked the valve/TPMS. Fortunately, when I took the tire to Costco (where I'd bought it), they were able to fix the damage I'd done, as well as patching a small nail hole in the tread I hadn't seen (that was clearly the source of the slow leak) for no charge. Since I've already submitted a refund request, ultimately all it really cost me was my time and effort ... and a whole lot of stress.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 26, 2024
R
Verified Purchase
raspree56
Grantham, US
★★★★★ 5
Forget the gooey stuff, this product WORKS! See UPDATES 1 and 2
Size: Compact Car, Mid-size Sedan
I've had a slow leak in one of my tires for some time. It's a common thing with chrome plated alloy wheels, they get corrosion on the bead area where the tire seals and then you get a slow leak. This was the only product which is water soluble so it's not going to make a permanent mess inside the tire; additionally, it contains tiny bits of Tufsyn which is the material some tires are made from. So it's not just a liquid that is sealing the leak, it's tiny bits of rubber. I was putting 5 or 6 lbs of air in my tire every few days, and I could see that the tire was getting low. I installed this TireJect per the instructions a week ago and the tire appears to be doing great, despite the fact that we've had some very cold weather. (I didn't want to check it with a gauge while it was this cold out because just in case the tire's valve didn't seal all the way; I'll check with a gauge when this cold snap is past.) While I can't say for 100% sure that there is no more leak, I suspect that the leak has been sealed up completely. This is a product unlike the others and I think it's worth the price. FIRST UPDATE: It has been two months and I haven't had to add any air at all to the tire where I used this product. There was a slow rim leak which was losing about a pound or so per day and it has been totally fixed. The car has sat for several days a few times, including in single digit cold weather, as well as driven regularly otherwise, and the tire hasn't lost any air. I think it's the micro Tufsyn fibers in this product which seal leaks better than some goopy glue stuff other brands are made of. I totally recommend this product! SECOND UPDATE - it's been eleven months since I added this to my tire with the slow rim leak and I have not had to add air a single time. Not once. THIS STUFF WORKS. Forget the slime and foam and get this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2024
J
Verified Purchase
jim
Natrona Heights, US
★★★★★ 5
Should of been using this long ago
Size: Pack of 1, Style: Fuel System Treatment
I literally watch my MPG jump up .3 within one tank, my mpg count after 6000 miles was steady at around 26.5 and after using this stuff and driving around for 1 tank of gas, it jump up to 26.8. I'm literally impressed!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2025
J
Verified Purchase
Jamie McCabe
Houston, US
★★★★★ 5
Review
Size: Pack of 1, Style: Fuel System Treatment
Item was as described and shipped quickly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2025
S
Verified Purchase
SUNGHYUN, YOON
Whiting, US
★★★★★ 5
It's pretty good.
Size: Pack of 1, Style: Fuel System Treatment, Size: Pack of 1, Style: Fuel System Treatment
I used to Chevron Techron before I put Gumout to my 2018 HONDA CR-V. reduced engine vibration and improved acceleration.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2023

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