ToughTech Secure 256 Q with WriteLock

This product is discontinued

ToughTech Secure 256 Q with WriteLock has been discontinued.

For a current similar product, we recommend: ToughTech Secure 128 Q with WriteLock

    • Easy-to-use portable data storage
    • WriteLock™ read-only protection
    • Government-strength data encryption
    • FlexMount™ shock protection
The ToughTech® Secure 256 Q with WriteLock™ is a small, portable storage enclosure. Equipped with 256-bit hardware-based encryption, it is trusted by creative professionals such as photographers, videographers, and musicians. The WriteLock™ read-only feature “locks down” data in your enclosure and prevents accidental deletion or modification.

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Technical Specs

Product name ToughTech Secure 256 Q with WriteLock
Host (I/O) Ports (1) pair of FireWire 800: up to 800 Mbps
(1) USB 2.0: up to 480 Mbps
(1) eSATA: up to 1.5 Gbps
Drive Types Supported
  • SATA 3.5" drives
Sector Size Compatibility SATA 512n and 512e type drives (incompatible with 4Kn type drives)
SATA Speed 1.5G
Number of LEDs 3
Operating system compatibility Windows XP or later
Windows Server 2003 or later
Mac OS X
Linux distributions that support the desired connection

Advanced Encryption Standard (AES) 256-bit

FIPS Certified Hardware based encryption design validated to FIPS 140-2 (certification number 1471).
AES Encryption Key AES Encryption Key is stored apart from unit so data is protected if unit is lost or stolen.
Due to federal guidelines for selling encrypted products, we are restricting direct sales to our approved distribution channel partners. Contact us for information on where you can buy our 128 or 256-bit encrypted products.
Whole Disk Protection Encrypts entire HDD - including boot sector, file allocation table, OS, temp and swap files.
High-Speed hardware processor Encrypts/decrypts at full disk bandwidth operation (No performance degradation).
Encryption Engine Performs Self-test to check for problems.
Key Management Most units include three identical pre-coded AES Encryption Key.

AES Key Programmer, a hand-held key programmer, is sold separately.

Additional blank and pre-coded AES Encryption Keys are available, sold separately.

Additional AES Encryption Key lanyards are available, sold separately.
Fan(s) Passive cooling - no fan needed
Construction material(s) Aluminum alloy case
Power switch 2 position: On / Off
Dimensions 9.02" x 5.24" x 1.46" (229mm x 133mm x 37mm)
Weight 1.50 lbs. (0.68 kg)
Populated Weight 3.00 lbs. (1.36 kg)
Write Protection Yes, with WriteLock
WriteLock Yes
Kensington Slot Yes
Compliancy FCC, CE, RoHS
Warranty CRU provides a 2-year limited warranty for this product.
Technical Support Your investment in CRU products is backed up by our free technical support for the lifetime of the product. If you need to contact us for any reason, visit or call us at +1 (360) 816-1800.
Resources and Documents

Product Description



Products and Accessories

ToughTech Secure Q w/WriteLock
AES128 encryption; FW800/eSATA/USB2
0TB (install a 3.5in SATA drive); keys; US plug
part #: 36140-2530-0000

0TB (install a 3.5in SATA drive); no keys; US plug
part #: 36140-2530-0001

0TB (install a 3.5in SATA drive); keys; UK plug
part #: 36141-2530-0000

0TB (install a 3.5in SATA drive); keys; EU plug
part #: 36142-2530-0000

2TB, formatted NTFS (for Windows); keys; US plug
part #: 36140-2536-2000

2TB, formatted HFS+ (for Mac); keys; US plug
part #: 36140-2536-3000

4TB, formatted NTFS (for Windows); keys; US plug
part #: 36140-2538-2000