Portable Storage for PC

StoreJet® 25M3

One plus one is greater than two. The StoreJet 25M3 combines the shock-resistant qualities with the SuperSpeed 5Gb/s interface bandwidth of USB 3.1 Gen 1, allowing users to enjoy ultra-fast file transfers and the highest level of anti-shock protection.


Key Features

  • Military-grade shock resistance*
  • SuperSpeed USB 3.1 Gen 1 compliant
  • Advanced three-stage shock protection system
  • Durable anti-shock rubber outer case
  • Advanced internal hard drive suspension system
  • Slim form factor for greater convenience and portability (SJ25M3G)
  • Quick Reconnect Button - safely re-enable the removed hard drive without unplugging and reinsertion
  • One Touch Auto-Backup button**
  • 256-bit AES file & folder encryption**
  • Exclusive Transcend Elite data management software


Dimensions M3 / M3B / M3E: 129.5mm x 82.4mm x 18.8mm (5.10" x 3.24" x 0.74")
M3G: 129.5mm x 80.8mm x 16.1mm (5.10" x 3.18" x 0.63")
Weight M3 500GB & M3 / M3B / M3E 1TB: 216g (7.62 oz)
M3 / M3B / M3E 2TB: 230g (8.11 oz)
M3G 1TB & 2TB: 185g (6.53 oz)
Storage Media 2.5" SATA HDD
Connection Interface USB 3.1 Gen 1 (backward compatible with USB 2.0)
Operating Voltage USB DC 5V
Operating Temperature 5°C (41°F)~55°C (131°F)
Power Saving Mode 10 mins
Certificates CE, FCC, BSMI
Note *Based on U.S. military drop-test standards MIL-STD-810G 516.6. Transcend is not responsible for data recovery due to improper usage.

**Transcend Elite software is required to use this feature.

***Dimensions given are exclusive of protruding elements.
Warranty Three-year Limited Warranty

Please click here for more information about Transcend's Warranty Policy.
System Requirements Desktop or notebook computer with a USB port and one of the following operating systems:
  • Microsoft Windows 7
  • Microsoft Windows 8
  • Microsoft Windows 8.1
  • Microsoft Windows 10
  • Mac OS X 10.7 or later
  • Linux Kernel 2.6.31 or later


Taiwan Excellence 2018 台灣精品獎

Taiwan Excellence

Winner of the Best Storage Solution for 2017

Digital Camera
United Kingdom

Comparison Winner


Power award

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Order Information

  • TS500GSJ25M3 Iron Gray
  • TS1TSJ25M3 Iron Gray
  • TS1TSJ25M3G Military Green (Slim)
  • TS2TSJ25M3 Iron Gray
  • TS2TSJ25M3G Military Green (Slim)