
SanDisk Extreme
Score: 88/100
Crucial X9 Pro 1TB
Score: 83/100Rankings

The SanDisk Extreme Portable SSD 1TB provides fast 1050 MB/s reads, IP65 protection and a lightweight, bus-powered design. Its speed is modest compared with newer 2 000 MB/s drives and it only comes in a single capacity. Ideal for creators who need a portable, rugged SSD at a reasonable price.

The Crucial X9 Pro 1TB offers a pocket-sized, fast USB-3.2 Gen 2 SSD with strong encryption and IP55 durability. Its performance is capped at 10 Gbps and weight listings are inconsistent, which may concern buyers. Ideal for photographers and travelers who value portability and security over absolute top speed.
| Attribute | ![]() | ![]() |
|---|---|---|
1,000 GBbest | 1,000 GBbest | |
1,050 MB/sbest | 1,050 MB/sbest | |
1,000 MB/s | 1,050 MB/sbest | |
| ↓ lower better | 52 gbest | — |
5 yearsbest | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(1) | ||
Sequential Write Speed (MB/s) | 1000 MB/s | 1050 MB/s |
Build & Design(2) | ||
Weight (g) | 52 g | 38-80 g |
Dimensions (L×W×H) (mm) | 3.97 x 2.05 x 0.38 inches mm | 65×50×10 mm mm |
Power & Compatibility(2) | ||
Power Source | bus-powered | USB bus-powered |
Compatible Operating Systems | iOS 13+, Android 11+, macOS 11+, Windows 10+ | Windows, macOS, Linux, Android, iPad, PC, PS4, PS5, Xbox |
Reliability & Security(1) | ||
IP Rating | IP65 | IP55 |
General(1) | ||
Included Accessories | USB-C cable, USB-C to USB-A adapter | USB Type‑C cable |


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

Professional reviewers commend the Extreme Portable SSD 1TB for its high sequential read speed, noting it delivers smoother playback when editing video files. They also appreciate its lightweight, bus-powered design and the inclusion of both USB-C and USB-A adapters, which together make it a solid choice for creators on the move.
Everyday users have limited publicly documented feedback, but the available comments emphasize appreciation for the drive's speed, portability, and cross-platform compatibility.

Professional reviewers commend the X9 Pro for its pocket-sized dimensions, solid 1050 MB/s performance and built-in 256-bit AES encryption, describing it as a sweet-spot SSD that balances speed, durability and price.
Everyday users consistently highlight the drive's blazing transfer speeds, keychain-friendly portability and rugged IP55 protection, while noting occasional heat and cable quality issues.
“the speed of this SSD mainly when reading files will provide smoother playback”

“Survives drops and splashes perfectly.”

“Blazing speeds for file transfers/editing.”


