SanDisk Extreme PRO Portable SSD 1TB
Score: 73/100
SSK Portable SSD 1TB
Score: 66/100Rankings
The SanDisk 1TB Extreme PRO Portable SSD delivers blazing 2000 MB/s speeds in a rugged, IP65-rated aluminum case with hardware encryption and a long warranty, but recent firmware problems have raised reliability concerns.
The SSK 1 TB Portable SSD offers multiple performance tiers, from entry-level USB 3.1 models to a high-end USB 3.2 Gen2×2 version delivering up to 2000 MB/s. It combines a lightweight aluminum case with broad OS compatibility and SLC caching, making it attractive for creators and gamers.
| Attribute | | |
|---|---|---|
1,000 GBbest | 931 GB | |
2,000 MB/sbest | 1,050 MB/s | |
2,000 MB/sbest | 1,000 MB/s | |
60 monthsbest | 36 months | |
| ↓ lower better | 0.078 kg | 0.037 kgbest |
— | 250,000 MBbest | |
| ↓ lower better | 57.4 mm | 38 mmbest |
| ↓ lower better | 110.2 mm | 12 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity(1) | ||
Interface | USB-C 3.2 Gen 2x2 | USB 3.2 Gen2 |
Performance(2) | ||
Sequential Read Speed (MB/s) | 2000 MB/s | 1050 MB/s |
Sequential Write Speed (MB/s) | 2000 MB/s | 1000 MB/s |
Warranty & Support(1) | ||
Warranty Period (months) | 60 months | 36 months |
Power & Connectivity(1) | ||
Power Source | Bus-powered | USB |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS | Windows, macOS, Linux, Android, iPadOS, iOS |
Build & Design(4) | ||
Weight (kg) | 0.0775 kg | 0.0366 kg |
Width (mm) | 57.4 mm | 38 mm |
Height (mm) | 110.2 mm | 12 mm |
Depth (mm) | 10.2 mm | 66 mm |
Storage(2) | ||
Storage Capacity (GB) | 1000 GB | 931 GB |
Drive Type | NVMe SSD | SSD |
Accessories(1) | ||
Included Cable Type | USB-C to USB-C, USB-C to USB-A | USB‑C to USB‑C, USB‑C to USB‑A |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praised the Extreme PRO for its blistering speeds, rugged build and long warranty, but warned about firmware-related reliability problems that emerged in 2023, advising caution until resolved.
Users love the fast transfers and ruggedness, yet a growing number report sudden drive failures after a year and frustration with warranty support, especially on Macs.
“Transfers 4K video files in seconds”
“Love the included cables - no need to carry adapters”
“Drive suddenly became unreadable after 18 months - lost all my project files”
Professional reviewers praise the SSK SSD for its blazing-fast transfer rates, solid aluminum construction, and feature set that includes TRIM, S.M.A.R.T., and a high-speed SLC cache, positioning it as a strong competitor to flagship drives like the Samsung T7 and SanDisk Extreme Pro.
Everyday users consistently highlight the drive's speed, portability, and reliability, calling it "lightning fast" and "incredible speed and great value," while a minority report occasional speed throttling and confusion over advertised specifications.
