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Blue 2.5 inch portable hard drive with rubber shock-resistant case

Transcend

Transcend StoreJet 25H3 1TB portable hard drive TS1TSJ25H3B Blue

SKU CH-N4TP-S262X MPN TS1TSJ25H3B

One-terabyte portable USB 3.0 hard drive with three-stage shock protection and a quick-reconnect button

  • ColorBlue
  • InterfaceUSB 3.0
  • Capacity1TB
  • FeaturesMilitary-grade shock resistance* Fully Compliant with the Hi
  • System RequirementsDesktop or notebook computer with a working USB 2.0 or USB 3
  • Form Factor2.5"

Options 1TB (Blue)

Struck-through versions exist but are not stocked here.

  • Three-stage shock protection meets MIL-STD-810G 516.6 drop-test standards
  • Quick Reconnect button restores USB link without unplugging the cable
  • One Touch Auto-Backup button starts backup with a single press
  • 256-bit AES encryption secures files through Transcend Elite software
  • USB 3.0 interface works with USB 2.0 ports for broad compatibility

Rugged 1 TB USB 3.0 storage

The Transcend StoreJet 25H3 TS1TSJ25H3B is a 1 TB portable hard drive built around a 2.5" mechanism and a blue anti-shock rubber shell. It connects through a USB 3.0 interface that remains fully compliant with the Hi-Speed USB 2.0 specification. The three-stage shock protection system meets U.S. military drop-test standards MIL-STD-810G 516.6, making the drive suitable for mobile professionals and field workers who need durable external storage.

Silent passive operation

The drive has no fan and relies on its aluminium casing and rubber exterior to dissipate heat during normal use. Power is drawn entirely from the host USB port, so no external adapter is required and there is no audible noise from spinning components beyond the drive mechanism itself. The Quick Reconnect button lets the user restore a safely removed connection without unplugging the cable, reducing wear on the port.

One-touch backup and encryption software

A dedicated One Touch Auto-Backup button triggers the bundled Transcend Elite software to run scheduled or immediate file and folder copies. The same software enables 256-bit AES encryption for selected data, though the encryption feature only functions while Transcend Elite is installed and active. The package includes the drive, a USB 3.0 cable and a quick-install guide for Windows XP through 8.1 and Mac OS.

Highlights

  • Three-stage shock protection meets MIL-STD-810G 516.6 drop-test standards
  • Quick Reconnect button restores USB link without unplugging the cable
  • One Touch Auto-Backup button starts backup with a single press
  • 256-bit AES encryption secures files through Transcend Elite software
  • USB 3.0 interface works with USB 2.0 ports for broad compatibility

Specifications

BrandTranscend
SeriesStoreJet 25H3
ModelTS1TSJ25H3B
ColorBlue
InterfaceUSB 3.0
Capacity1TB
FeaturesMilitary-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
* Based on U.S. military drop-test standards MIL-STD-810G 516.6. Transcend is not respons
System RequirementsDesktop or notebook computer with a working USB 2.0 or USB 3.0 port Operating Systems (OS):
- Microsoft Windows XP
- Microsoft Windows Vista
- Microsoft Windows 7
- Microsoft Windows 8
- Microsoft Windows 8.1
- Mac OS 10.7 or later
- Linux Kernel 2.6.31 or later
Form Factor2.5"
Dimensions0.76" x 5.27" x 3.23"
Weight7.61 oz.
Shipping weight0.32 kg
Package size152 × 114 × 43 mm

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Questions about this item

How do I connect the StoreJet 25H3 to my computer and what step do people often miss?

Plug the USB 3.0 cable into a USB 2.0 or 3.0 port; the drive is recognised automatically. The step users miss is pressing the Quick Reconnect Button after a safe-eject to remount the drive without unplugging the cable.

What part of the 25H3 will need replacement first and how will I know?

The internal 2.5" hard drive is the only moving component; rising seek noise, slower transfers or SMART warnings signal it is nearing end of life.

What limit appears first when I keep the 1 TB drive writing continuously?

Sustained writes hit the mechanical throughput ceiling of the 2.5" drive well before the USB 3.0 interface saturates, so transfer speed drops to the drive's native sustained rate.

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