iStorage datAshur PRO2
Score: 86/100
SanDisk Extreme PRO 512GB
Score: 89/100Rankings
The SanDisk Extreme PRO 512 GB USB-A flash drive delivers top-tier performance with up to 1000 MB/s read and 900 MB/s write speeds in a lightweight aluminum body. Its speed is lower than newer Gen 2 USB-C drives and it only offers a USB-A connector, which may limit compatibility with modern devices. Suited for professionals needing fast, high-capacity portable storage.
The iStorage datAshur PRO2 is a rugged 4 GB USB 3.2 flash drive with top-grade hardware encryption and IP68 protection. Its limited capacity and need for battery charging trade off against its strong security and durability. Best suited for security-focused professionals needing encrypted, field-ready storage.
| Attribute | | |
|---|---|---|
4 GB | 512 GBbest | |
168 MB/s | 1,000 MB/sbest | |
128 MB/s | 900 MB/sbest | |
| ↓ lower better | 28 g | 27.22 gbest |
3 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 4 GB | 512 GB |
Performance(2) | ||
Read Speed (MB/s) | 168 MB/s | 1000 MB/s |
Write Speed (MB/s) | 128 MB/s | 900 MB/s |
Connectivity(1) | ||
Interface Type | Type-A | USB‑A |
Build & Design(3) | ||
Weight (g) | 28 g | 27.22 g |
Dimensions (L×W×H) (mm) | 87.4×19.4×13.4 mm | 71.12×21.08×10.92 mm mm |
Material | Aluminum | Metal |
General(1) | ||
Warranty (years) | 3 years | lifetime years |
Products in the top-left offer the best value (high score, low price).
Editors and professional reviewers commend the datAshur Pro² for its uncompromising security features-FIPS-validated AES-XTS encryption, tamper-evident epoxy potting, and a self-destruct PIN-combined with an IP68 rating that makes it suitable for extreme field conditions.
Professional reviewers commend the Extreme PRO 512GB USB-A for its solid-state reliability, fast 420/380 MB/s performance, and useful RescuePRO recovery software, while noting its speed falls short of newer Gen 2 models and its plastic build feels less premium.
Consumers generally praise the drive's rapid backups, large capacity, and cross-device compatibility, though the scarcity of reviews leaves some buyers uncertain about long-term durability.
