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CRU ToughTech Secure m3 2.5" USB 3.0 External Drive Enclosure

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  • Protects a 2.5” hard drive or SSD
  • Includes USB 3.0 micro cable
  • Soft drawstring carrying bag
  • Kensington security slot
  • Status LED

The CRU ToughTech Secure m3 2.5" USB 3.0 External Drive Enclosure is a portable enclosure that supports 2.5" SATA HDDs or SSDs while keeping it encrypted. It uses 256-bit AES encryption technology that helps protect your data from people. Also, it uses WriteProtect read-only mode to help prevent accidental deletion, reformatting, and more.

This unit connects to your computer via a speedy USB 3.0 port, which allows for super-fast data transfer rate. Its aluminum construction effectively provides excellent heat dissipation for reliable performance. Complete with the built-in LED status indicators, Kensington security slot and USB-powered design, the portable CRU ToughTech Secure m3 is a great choice for any users who value their data.

Supports 2.5" SATA HDDs or SSDs

The ToughTech Secure m3 is able to accommodate 2.5” SATA HDDS or SSDs with a height of 9.5mm.

Provides Maximum Data Security

The ToughTech Secure m3 uses government-strength 256-bit AES encryption to keep data on 2.5-inch hard drives or SSDs safe from thieves and hackers. Even better, it has no hackable password/passcode since it relies on hardware (not software) encryption and a 256-bit encrypted physical hardware key to access the drive.

Exclusive WriteProtect Read-only Feature

The unique WriteProtect read-only feature "locks down" your data, so it can't be accidentally deleted or modified – nor can the drive be reformatted while in this mode.

SuperSpeed USB 3.0 Port

The built-in USB 3.0 port delivers a blazing-fast data transfer rate of up to 5Gbps. This means there is no need to wait long for your data to be copied. A USB 3.0 micro cable is included.

Rugged Aluminum Enclosure

The durable aluminum construction helps protect the installed hard disk drive, while effectively drawing the heat away from the drive for reliable performance.

Truly Portable

The ToughTech Secure m3 comes in a compact size of 5.20" x 3.07" x 0.71", and weighs only 0.30 pound. You can easily take it with you anywhere you go. It’s USB-powered; no additional AC power is required.

In the Box
  • CRU ToughTech Secure m3 2.5" USB 3.0 External Drive Enclosure
  • USB 3.0 Micro Cable
  • Soft Drawstring Carrying Bag
More Information
Product ConditonNew


Host (I/O) Ports (1) USB 3.0: up to 5 Gbps
Drive Types Supported SATA 2.5" drives (up to 9.5mm height)
SATA SSD (solid state drives) (up to 9.5mm height)
Number of LEDs 1
Description of LEDs Single tri-color LED for indicating power, drive access, operating mode (read/write or WriteProtect), and error
Operating system compatibility Windows XP or later
Windows Server 2003 or later
Mac OS X
Most modern Linux distributions
Encryption Advanced Encryption Standard (AES) 256-bit
AES Encryption Ke AES Encryption Key is stored apart from unit so data is protected if unit is lost or stolen.
Hardware based encryption design is validated to FIPS 140-2 (certification number 1471).
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.
Construction material(s) Aluminum alloy case with ABS end caps
Bus power Yes


WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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