Portable Storage for PC

StoreJet® 25H3

The StoreJet 25H3 portable hard drive combines the superior performance of USB 3.1 Gen 1, vast storage space, eye-catching enclosure, and a three-stage shock protection system that meets U.S. military drop-test standards. What else can you ask for?



  • Military-grade shock resistance*
  • Fully Compliant with the Hi-Speed USB 2.0 specification
  • Advanced 3-stage shock protection system
  • Durable anti-shock rubber outer case
  • Advanced internal hard drive suspension system
  • Quick Reconnect Button – after safely removing the hard drive from the system, press to reconnect the drive without having to unplug and replug the USB connector again
  • One Touch Auto-Backup button**
  • 256-bit AES file & folder encryption**
  • Exclusive Transcend Elite data management software


Size 1TB/2TB: 131.8mm×80.8mm×19.0mm (5.19" x 3.18" x 0.75")
3TB/4TB: 131.8mm×80.8mm×24.5mm (5.19" x 3.18" x 0.96")
Weight 1TB/2TB: 197g (6.95 oz)
3TB/4TB: 298g (10.51 oz)
Operating Voltage USB DC 5V
Operating Temperature 5°C (41°F) ~ 55°C (131°F)
Storage Media 2.5" SATA HDD
Certificates CE, FCC, BSMI
Connection Interface USB 3.1 Gen 1 (backward compatible with USB 2.0)
Power Saving Mode 10 mins
One-Touch Backup Yes
Note *Based on U.S. military drop-test standards MIL-STD-810G 516.6. The drop test performed in non-operating state does not guarantee the invulnerability of this product under any circumstances. More information about Transcend's MIL-STD test can be found here.

**Transcend Elite software is required for this function.
Warranty Three-year Warranty

Please access here for more information about Transcend 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


Good product award


Editor's Choice

United States

Best Value

United States

Medalla de oro (Gold Award)

Profesional Review

Order Information

  • TS1TSJ25H3B Navy Blue
  • TS1TSJ25H3P Purple
  • TS2TSJ25H3B Navy Blue
  • TS2TSJ25H3P Purple
  • TS3TSJ25H3P Purple
  • TS4TSJ25H3B Navy Blue
  • TS4TSJ25H3P Purple