
iStorage datAshur PRO
Score: 90/100
Samsung USB-C Flash Drive 512GB Gray
Score: 84/100Rankings

The iStorage datAshur PRO 8 GB USB 3.2 flash drive delivers military-grade encryption, rugged IP57 protection and high transfer speeds. Its drawbacks are the tiny 8 GB capacity, need for periodic battery charging and a bulkier form factor. Best suited for government, military or healthcare professionals needing secure, durable portable storage.

The Samsung Type-C 512 GB provides 400 MB/s reads and 110 MB/s writes in an ultra-compact USB-C form factor with waterproof and shock-proof design. It is limited to USB-C connectivity and lacks a protective cap. Suited for mobile professionals requiring high capacity and portability.
| Attribute | ![]() | ![]() |
|---|---|---|
8 GB | 512 GBbest | |
— | 400 MB/sbest | |
— | 110 MB/sbest | |
| ↓ lower better | 25 g | 3.4 gbest |
— | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 8 GB | 512 GB |
Performance(2) | ||
Read Speed (MB/s) | 169-170 MB/s | 400 MB/s |
Write Speed (MB/s) | 135-146 MB/s | 110 MB/s |
Connectivity(1) | ||
Interface Type | USB Type-A | USB‑C |
Build & Design(2) | ||
Weight (g) | 25 g | 3.4 g |
Dimensions (L×W×H) (mm) | 78x18x8 mm mm | 33.78×16.0×2.54 mm |

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

While no independent tech-site reviews were found, manufacturer and retailer descriptions quoted by industry editors stress the datAshur PRO's military-grade FIPS 140-2 Level 3 encryption, rugged IP57 construction, and the convenience of software-free, keypad-controlled security that works across a wide range of operating systems.

Retailer editors such as B&H Photo and Staples praise the drive's multi-proof construction and its advertised 400 MB/s read performance on USB-C 3.2 Gen 1, emphasizing fast and efficient data transfer for high-capacity needs. However, professional reviews are limited, leaving independent verification of real-world endurance and write performance scarce.



Everyday users consistently highlight the drive's high read speed, tiny form factor, and rugged, water- and shock-proof build as major positives for on-the-go use. The most common criticism revolves around the comparatively slow write speed and the absence of a protective cap.