
iStorage datAshur BT 64GB
Score: 79/100
Corsair Flash Padlock 3 256GB Black
Score: 65/100Rankings

The iStorage datAshur BT 64 GB provides FIPS-Level 3 hardware encryption with Bluetooth-based biometric unlocking via a smartphone app and IP57 ruggedness. Dependence on a paired phone and lack of a keypad can be limiting. It fits well for executives and field workers who value remote management.

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 | ![]() | ![]() |
|---|---|---|
64 GB | 256 GBbest | |
170 MB/sbest | — | |
130 MB/sbest | 8 MB/s | |
| ↓ lower better | 16.5 gbest | 22 g |
3 years | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 64 GB | 256 GB |
Performance(2) | ||
Read Speed (MB/s) | 170 MB/s | 15-18 MB/s |
Write Speed (MB/s) | 130 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, Chrome, Android, iPadOS, embedded systems, VDI (Citrix, VMware) | Windows, macOS, Linux |
Build & Design(3) | ||
Weight (g) | 16.5 g | 22 g |
Dimensions (L×W×H) (mm) | 60×18×7.5 mm mm | 86×26×14 mm mm |
Material | plastic/zinc | Ruggedised rubber |

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

Professional reviewers highlight the datAshur BT's military-grade encryption, Bluetooth biometric access, and IP57 ruggedness as strong points for enterprise security, while noting the reliance on a smartphone for unlocking and the lack of a built-in keypad as trade-offs.
No consumer reviews or ratings were found in the source data, so user sentiment cannot be assessed.

“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.”


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.
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.