Transcend StoreJet 25 Mobile review: Transcend StoreJet 25 Mobile

A convenient button on top of the drive launches Transcend's StoreJet Elite backup software; within the preferences folder, you can set the drive to "remember" which folders and files you want to store. You can also schedule incremental backups, set different levels of security, and tell the drive to compress larger files and folders.

Cost per gigabyte
The cost per gigabyte for external storage is falling so quickly that it seems to reduce with each portable drive that comes through our labs. The Transcend StoreJet 25 Mobile is indicative of this trend--the current retail price of our 320GB model is $95, which comes out to $0.30 per gigabyte--by far the cheapest external drive we've tested. In a comparison lineup with four other external drives, the next cheapest, the Seagate FreeAgent Go, is a full $0.17 per gigabyte more than the Transcend. We expect to continue to see prices falling on portable storage devices like these, but right now, you won't find a better offer than this one.

Cost per gigabyte
(Shorter bars indicate cheaper price)
Cost (in dollars)  
Gigabytes  
Cost per GB (in cents)  
Transcend StoreJet 25 Mobile
$95 
320 
$0.30 
Seagate FreeAgent Go
$150 
320 
$0.47 
Clickfree Portable Backup Drive
$180 
320 
$0.56 
Iomega eGo Camo
$149 
250 
$0.59 
Lenovo ThinkPad USB Secure
$219 
320 
$0.69 

Performance
Luckily, the StoreJet 25 Mobile didn't falter in our performance tests at all, delivering a solid 28.49 megabytes per second to read and 23.43 megabytes per second to write across our 10GB data folder. The gap in favor of Transcend between for the speed test benchmarks isn't quite as wide as the cost per gigabyte, but that extra 2MB per second faster than the Clickfree Portable Backup Drive is enough to secure our full recommendation for the Transcend StoreJet 25 Mobile for traveling professionals who need constant and protected access to their sensitive data.

Performance test (in megabytes per second)
(Longer bars indicate better performance)
Read  
Write  
Transcend StoreJet 25 Mobile
28.49 
23.43 
Iomega eGo Camo
19.47 
19.5 
Seagate FreeAgent Go
18.15 
17.84 

Service and support
Transcend backs all of its external hard drives with a two-year warranty that covers parts and labor, so long as the damage is not a result of "accident, abuse, misuse, natural or personal disaster, or any unauthorized disassembly, repair, or modification." A two-year warranty is acceptable for an external hard drive, but we always prefer three years to ensure the physical integrity of a portable device made to withstand the abuse of daily transport.

What you'll pay

Pricing is currently unavailable.

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Where to Buy

Transcend StoreJet 25 Mobile (500GB, red)

Part Number: TS500GSJ25M-R

MSRP: $175.00

See manufacturer website for availability.

Quick Specifications See All

  • Form Factor 2.5"
  • Hard Drive Type external hard drive
  • Interface Type Hi-Speed USB
  • Capacity 500 GB