
Transcend StoreJet 1TB USB 3.1
Score: 71/100
ADATA AHV300 1TB
Score: 97/100Rankings

ADATA's 1TB white portable HDD combines an ultra-slim, lightweight design with 256-bit hardware encryption and fast USB 3.1 performance. It includes built-in shock sensors and broad OS/console compatibility, but relies on software for encryption and lacks USB-C connectivity. Ideal for users needing secure, portable storage without the cost of an SSD.

The Transcend StoreJet 25M3 1 TB rugged HDD offers military-grade drop protection, built-in 256-bit AES encryption, and a convenient one-touch backup button, making it ideal for field professionals who value durability over raw speed. However, its 5400 RPM mechanical drive and legacy Micro-USB interface limit performance compared with modern SSDs.
| Attribute | ![]() | ![]() |
|---|---|---|
1,000 GB | 1,024 GBbest | |
113 MB/s | 140 MB/sbest | |
114 MB/s | 120 MB/sbest | |
36 monthsbest | 36 monthsbest | |
| ↓ lower better | 0.227 kg | 0.19 kgbest |
| ↓ lower better | 82.3 mmbest | 125.7 mm |
| ↓ lower better | 18.8 mm | 10.3 mmbest |
| ↓ lower better | 129.5 mm | 80.5 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Sequential Read Speed (MB/s) | 113 MB/s | 140 MB/s |
Sequential Write Speed (MB/s) | 114 MB/s | 120 MB/s |
Power & Connectivity(1) | ||
Power Source | Bus-powered | Bus-powered (USB) |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux | Windows, macOS, Linux, PlayStation, Xbox |
Build & Design(4) | ||
Weight (kg) | 0.2268 kg | 0.1898 kg |
Width (mm) | 82.3 mm | 125.7 mm |
Height (mm) | 18.8 mm | 10.3 mm |
Depth (mm) | 129.5 mm | 80.5 mm |
Storage(2) | ||
Storage Capacity (GB) | 1000 GB | 1024 GB |
Drive Type | HDD | Mechanical HDD |
Accessories(1) | ||
Included Cable Type | Micro-USB 3.0 to USB Type-A cable | USB 3.1 cable |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the StoreJet 25M3 for its military-grade durability, effective three-stage shock system, and built-in hardware encryption, while noting the performance limits of a 5400 RPM HDD and the lack of a modern USB-C interface.
Everyday users love the drive's toughness-many report it surviving drops from several feet-and appreciate the single backup button and included software, but frustration centers on slower transfer rates, the outdated Micro-USB connector, and occasional software glitches.

“Survived multiple drops”

“The software is clunky and sometimes shows Chinese error messages”

“Transfer speeds are slower than I expected for a USB 3.0 drive”




Professional reviewers commend ADATA's portable drives for their ultra-slim design, fast USB 3.1 performance, and inclusion of 256-bit AES encryption-features usually reserved for higher-priced competitors.
Everyday users overwhelmingly appreciate the drives' sleek look, solid speed, and built-in encryption, especially for travel and media work, while noting the HDDtoGO software's dated interface and occasional cable concerns.