Crucial X8 1TB
Score: 71/100
SSK Portable SSD 256GB
Score: 53/100Rankings
The Crucial X8 1TB Portable SSD offers NVMe-class speeds and a rugged aluminum body at a competitive price, but lacks encryption and sees write performance dip after the cache is used.
The SSK 256 GB Portable SSD delivers fast USB 3.2 Gen 2 performance in a lightweight aluminum enclosure, with broad compatibility but limited capacity and no built-in encryption.
| Attribute | | |
|---|---|---|
1,000 GBbest | 256 GB | |
1,050 MB/sbest | 550 MB/s | |
1,000 MB/sbest | 500 MB/s | |
| ↓ lower better | 97 g | 43 gbest |
36 monthsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Capacity(1) | ||
Storage Capacity (GB) | 1000 GB | 256 GB |
Performance(3) | ||
Interface | USB-C 3.2 Gen 2 | USB 3.2 Gen 2 |
Sequential Read Speed (MB/s) | 1050 MB/s | 550 MB/s |
Sequential Write Speed (MB/s) | 1000 MB/s | 500 MB/s |
Build & Design(1) | ||
Weight (g) | 97 g | 43 g |
Power & Connectivity(1) | ||
Included Cable Type | USB-C to USB-C | USB-A to USB-C, USB-C to USB-C |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux, ChromeOS, Android, iPadOS, PS4, Xbox One | Windows, macOS, Linux, Android |
Technical Specs(1) | ||
NAND Type | QLC | 3D NAND |
Products in the top-left offer the best value (high score, low price).
Reviewers praise the X8 for delivering NVMe-class speeds, solid build, and thermal design, while noting the lack of hardware encryption and activity LED.
Users appreciate the fast transfers and build quality, but frequently mention the drop in sustained write speed and missing activity indicator.
Professional reviewers note performance comparable to premium models like the Samsung T5 while keeping costs low, praising the aluminum enclosure and dual cables but pointing out the lack of encryption as a drawback.
Everyday users rate the drive highly for speed and portability, though they mention the modest 256 GB size and occasional write-speed throttling.
“solid and stable performance after long-term use.”
“perhaps the fastest SSD with the most storage for the least price.”
“no longer available on the market.”
