TS1TSJ25A3K

About this product

The Transcend StoreJet 25A3 TS1TSJ25A3K 1TB 2.5 inch external hard drive delivers reliable high speed portable storage with USB 3.1 Gen 1 connectivity for fast file transfers and secure everyday backups. Buy now for dependable plug and play storage that keeps your important files, media, and work data safe and easily accessible in South Africa.

Description

The Transcend StoreJet 25A3 TS1TSJ25A3K is a 1TB portable external hard drive engineered for users who require reliable high capacity storage in a compact design. Featuring a 2.5 inch SATA hard disk inside a rugged enclosure, it delivers stable performance for daily computing, file transfers, and backup operations.

Its USB 3.1 Gen 1 interface ensures fast connectivity with modern devices while remaining backwards compatible with older USB ports. The drive is powered directly through USB, eliminating the need for external adapters and improving portability for mobile users.

The internal suspension system is designed to reduce impact and vibration, helping to protect stored data during transport. Combined with its slim form factor, this makes it suitable for business users, students, and anyone needing secure portable storage.

Features

The Transcend StoreJet 25A3 is designed to offer speed, durability, and ease of use in a portable storage device.

• 1TB storage capacity for documents, media, and backups
• USB 3.1 Gen 1 interface for fast data transfer speeds
• 2.5 inch internal hard drive design for portability
• Shock resistant internal suspension system for data protection
• Plug and play operation with no driver installation required
• Bus powered design eliminates the need for external power supply
• One Touch Backup button via Transcend Elite software
• Compatible with Windows and macOS operating systems
• Compact and lightweight design for easy transport

Sleek, classic design
Transcend's StoreJet 25A3 external hard drive features a sleek enclosure available in classic black and gloss white. This sleek, classic external hard drive speaks to your good taste.

Lightning-fast transfer speeds
The StoreJet 25A3 is equipped with the USB 3.1 Gen 1 interface, providing lightning-fast transfer rates of up to 5Gbps.

Internal suspension system
Lying underneath the trendy enclosure is a protective suspension system. The inner rubber shock absorber can effectively protect the hard drive by softening the force of impact in case of accidental drops.

One touch auto backup
The StoreJet 25A3 is equipped with a one touch auto-backup button that instantly backs up your data with just one press*. The button also enables you to reconnect the hard drive to your PC without the need to unplug and reinsert it.

Manage data with Transcend Elite
A free download from Transcend's official website, the Transcend Elite data management software is available for both Windows OS and macOS. Transcend Elite features backup and restore, data encryption, and cloud backup functions, helping you keep your important files organized, protected, and up-to-date!

Guaranteed quality
Transcend's external hard drives are built to the highest standards and rigorously tested, offering outstanding quality, performance, and reliability. Transcend products both look after your data and complement your good taste.

What's in the Box

• Transcend StoreJet 25A3 1TB External Hard Drive
• USB cable (Micro USB to USB Type A)
• User documentation

Specifications

© 2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx-computers.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications and features
Product Code	TS1TSJ25A3K
Appearance
Dimensions	130.6 mm x 80.1 mm x 15.0 mm (5.22" x 3.2" x 0.6")
Weight	1TB: 182 g (6.41 oz)
Color	Black
Interface
USB Type	micro USB to USB Type A
Connection Interface	USB 3.1 Gen 1 (USB 5Gbps)
Storage
Capacity	1 TB
Storage Media	2.5" HDD
Note	Please be noted that actual capacity may differ due to different standards of measurement in a computer operating system. Please click for more information.
Operating Environment
Operating Temperature	5degreesC (41degreesF) ~ 55degreesC (131degreesF)
Operating Voltage	5V
Note	Transcend Elite software is required for One Touch Auto-backup and AES encryption functions.
System Requirement
Operating System	Microsoft Windows 7 or later
	macOS 10.10 or later

FAQ

Is the Transcend StoreJet 25A3 good for backups?

Yes, it is designed for reliable everyday backups using USB 3.1 Gen 1 connectivity and One Touch Backup support.

Is this external hard drive compatible with laptops?

Yes, it works with most laptops and desktops that support USB ports and runs on Windows or macOS systems.

Does the StoreJet 25A3 require external power?

No, it is USB bus powered, meaning it draws power directly from the connected device.

Is the drive portable?

Yes, its compact 2.5 inch design and lightweight build make it suitable for travel and mobile use.

Does it include backup software?

Yes, it supports Transcend Elite software which enables backup and encryption features.