
Crucial X9 Pro 4TB
Score: 94/100Silicon Power PX10 2TB
Score: 85/100Rankings

The Crucial X9 Pro 4TB delivers fast, secure, and rugged portable storage in a tiny package, though users note the short cable and lack of a USB-A adapter.
The Silicon Power PX10 2 TB SSD combines flagship-class 1,050 MB/s speeds with an ultra-light, rugged aluminum body and drop-resistance, making it ideal for creators and gamers. It lacks built-in encryption and the cable is sold separately.
| Attribute | ![]() | Silicon Power PX10 2TB |
|---|---|---|
4,000 GBbest | 2,048 GB | |
1,050 MB/sbest | 1,050 MB/sbest | |
1,050 MB/sbest | 1,050 MB/sbest | |
5 yearsbest | 3 years | |
| ↓ lower better | 38 g | 33 gbest |
| ↓ lower better | 10 mmbest | 10.3 mm |
| ↓ lower better | 65 mmbest | 177.8 mm |
| ↓ lower better | 50 mmbest | 101.6 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Silicon Power PX10 2TB |
|---|---|---|
Performance(1) | ||
Interface | USB 3.2 Gen 2 | USB 3.2 Gen 2x2 |
Warranty & Support(1) | ||
Warranty Period (years) | 5 years | 3 years |
Security(1) | ||
Hardware Encryption | true | false |
Compatibility(1) | ||
Supported Operating Systems | Windows, macOS, Linux, Android, iPadOS, Xbox, PlayStation | Windows; macOS; Linux; Android; iOS |
Storage(1) | ||
Storage Capacity (GB) | 4000 GB | 2048 GB |
Build & Design(4) | ||
Weight (g) | 38 g | 33 g |
Thickness (mm) | 10 mm | 10.3 mm |
Length (mm) | 65 mm | 177.8 mm |
Width (mm) | 50 mm | 101.6 mm |

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

Professional reviewers rate the X9 Pro highly, calling it a tiny, near-perfect external SSD with sturdy frame and hardware encryption, while noting it falls short of the X10 Pro's top-tier speeds.
Everyday users appreciate its pocket-sized form factor, fast transfers, and rugged build, but complain about missing accessories and occasional speed gaps.
Professional reviewers rate the PX10 highly for its flagship-class speed, ultra-compact form factor, and rugged aluminum build, noting its suitability for 4K video editing and console gaming while pointing out the inconvenience of a separate cable and the absence of hardware encryption.
Everyday users rave about the SSD's lightning-quick transfers and the eye-catching pink color, while frequently mentioning the separate cable as a hassle and wishing for built-in security.
“perfect for travel”

“easy to carry on a keychain”

“lack of a USB-A adapter is a frequent frustration”

