
SanDisk Extreme
Score: 92/100
Crucial X9
Score: 86/100Rankings

The SanDisk 1TB Extreme Portable SSD delivers fast 1050 MB/s read performance in a lightweight, IP65-rated package. Its single capacity option and speeds below newer 2 TB models limit its appeal for power users. Best suited for creators who need rugged, fast, and versatile portable storage.

The Crucial X9 1TB Portable SSD offers ultra-compact size, IP55 protection and 1050 MB/s read/write speeds in a lightweight 32 g package. It lacks the higher ruggedness of some competitors and its sustained write performance trails a bit behind. Best for mobile professionals and gamers who need fast, portable storage with basic protection and bundled backup software.
| 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 g | 32 gbest |
5 yearsbest | 3 years | |
3 mbest | 2.3 m |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
General(1) | ||
Warranty (years) | 5 years | 3 years |
Power(1) | ||
Power Source | Bus-powered | USB |
Connectivity(1) | ||
OS Compatibility | iOS 13+, Android 11+, macOS 11+, Windows 10+ | Windows, macOS, Android, iOS, iPadOS, Linux, Xbox, PlayStation, ChromeOS |
Build & Design(3) | ||
Weight (g) | 52 g | 32 g |
Dimensions (L×W×H) (mm) | 101x52x10 mm | 10x50x65 mm |
Drop Resistance (m) | 3 m | 2.3 m |
Accessories(1) | ||
Included Accessories | USB-C cable and USB-A adapter | SSD, USB Type-C to C cable |
Performance(1) | ||
Sequential Write Speed (MB/s) | 1000 MB/s | 1050 MB/s |
Features(1) | ||
IP Rating | IP65 | IP55 |


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 for its ultra-small footprint, strong read performance and drop-proof design, noting it as a convenient, high-speed solution for mobile professionals. However, they point out that its sustained write speeds lag slightly behind rivals and that the lack of an IP rating makes it less rugged than competing models like the Samsung T7 Shield.
Everyday users highlight the drive's fast read speeds, pocket-size convenience, and seamless plug-and-play experience across a wide range of devices. The main concerns expressed are the scarcity of user reviews, the absence of an official IP rating, and minor confusion over the exact weight listed in different sources.
“the speed of this SSD mainly when reading files will provide smoother playback”


