iStorage datAshur PRO 128GB
Score: 88/100
Corsair Flash Padlock 3 256GB Black
Score: 65/100Rankings
The iStorage datAshur PRO 128 GB is a hardware-encrypted USB flash drive offering FIPS-Level 3 security and a rugged aluminum chassis with IP68 protection. Its built-in keypad and rechargeable battery add bulk and require periodic charging. Ideal for regulated-industry professionals needing high security and durability.
The Corsair Flash Padlock 3 256 GB is a security-focused USB drive with hardware AES encryption and a built-in keypad. Its transfer speeds are modest and the form factor is bulky, which may deter users needing fast data movement. Best for travelers or shared-workstation users who prioritize security over speed.
| Attribute | | |
|---|---|---|
128 GB | 256 GBbest | |
310 MB/sbest | — | |
246 MB/sbest | 8 MB/s | |
| ↓ lower better | 25 g | 22 gbest |
3 years | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 128 GB | 256 GB |
Performance(2) | ||
Read Speed (MB/s) | 310 MB/s | 15-18 MB/s |
Write Speed (MB/s) | 246 MB/s | 8 MB/s |
Connectivity(2) | ||
USB Version | USB 3.2 Gen 1 | USB 3.0 |
Interface | Type-A | USB 3.0 |
General(2) | ||
Warranty (years) | 3 years | 5 years |
OS Compatibility | Windows, macOS, Linux, Android, Chrome, Thin/Zero Clients, Citrix, VMware, Embedded Systems | Windows, macOS, Linux |
Build & Design(3) | ||
Weight (g) | 25 g | 22 g |
Dimensions (L×W×H) (mm) | 80.10×20.25×10.70 mm mm | 86×26×14 mm mm |
Material | Aluminum | Ruggedised rubber |
Products in the top-left offer the best value (high score, low price).
Industry retailers and datasheets position the datAshur PRO as a high-security, rugged solution for regulated environments, stressing its FIPS-level encryption, durability certifications, and fast USB 3.2 performance, while noting the lack of independent editorial reviews.
Professional reviewers commend the Padlock's strong 256-bit AES hardware encryption and its driver-free, cross-platform operation, noting that it delivers adequate read speeds for typical tasks. However, they criticize its sluggish transfer rates, bulky design that can block other ports, and the short auto-lock window that leaves a brief period of vulnerability.
“Performance good enough for general use; easy setup.”
“Good price-quality security ratio; usability strong but design humble.”
“Cross-platform versatility shines, but slow (15.4 MB/s avg read); redundant PIN entry.”
Everyday users appreciate the convenience of a built-in keypad and the ability to use the drive on any OS without extra software, but many express frustration over slow transfer speeds, the device's large size, a loose cap, and concerns about data loss if the PIN is forgotten or the drive is physically tampered with.
