
SanDisk Extreme PRO Portable SSD 1TB
Score: 73/100
Crucial X9 1TB
Score: 82/100Rankings

The Crucial X9 1TB Portable SSD offers fast 1050 MB/s transfers in a tiny, rugged, bus-powered package with hardware encryption and a 3-year warranty, making it ideal for creators and gamers on the go.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
1,000 GBbest | 1,000 GBbest | |
2,000 MB/sbest | 1,050 MB/s | |
2,000 MB/sbest | 1,050 MB/s | |
60 monthsbest | 36 months | |
| ↓ lower better | 0.078 kg | 0.038 kgbest |
| ↓ lower better | 57.4 mm | 50 mmbest |
| ↓ lower better | 110.2 mm | 10 mmbest |
| ↓ lower better | 10.2 mmbest | 65 mm |
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 Gen 2 (USB-C) |
Performance(2) | ||
Sequential Read Speed (MB/s) | 2000 MB/s | 1050 MB/s |
Sequential Write Speed (MB/s) | 2000 MB/s | 1050 MB/s |
Warranty & Support(1) | ||
Warranty Period (months) | 60 months | 36 months |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS | Windows, macOS, Android, Linux, Xbox, PlayStation |
Build & Design(4) | ||
Weight (kg) | 0.0775 kg | 0.038 kg |
Width (mm) | 57.4 mm | 50 mm |
Height (mm) | 110.2 mm | 10 mm |
Depth (mm) | 10.2 mm | 65 mm |
Storage(1) | ||
Drive Type | NVMe SSD | SSD |
Durability(1) | ||
IP Rating | IP65 | IP55 |
Accessories(1) | ||
Included Cable Type | USB-C to USB-C, USB-C to USB-A | USB-C to USB-C |

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 X9 Pro as a sweet-spot portable SSD, highlighting its compact, rugged design, NVMe-based 10 Gbps performance, hardware encryption, and cool operation, while noting the lack of a 20 Gbps interface.
Everyday users overwhelmingly rate the X9 highly, lauding its speed, pocketable size, and durability, though some complain about occasional slow-speed units and warranty support.