Crucial X8 1TB
Score: 71/100
SSK 256GB SSD
Score: 70/100Rankings
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 SSD offers decent speeds and excellent portability at a low price, but reliability concerns and overheating have been reported by users.
| Attribute | | |
|---|---|---|
1,000 GBbest | 256 GB | |
1,050 MB/sbest | 550 MB/s | |
1,000 MB/sbest | 500 MB/s | |
| ↓ lower better | 97 g | 27 gbest |
36 monthsbest | — | |
| ↓ lower better | — | 42.5 °Cbest |
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 Gen2 |
Sequential Read Speed (MB/s) | 1050 MB/s | 550 MB/s |
Sequential Write Speed (MB/s) | 1000 MB/s | 500 MB/s |
Build & Design(2) | ||
Weight (g) | 97 g | 27 g |
Form Factor | Portable | M.2 2280 |
Power & Connectivity(2) | ||
Power Source | Bus-powered | USB |
Included Cable Type | USB-C to USB-C | USB‑C to USB‑C, USB‑A adapter |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux, ChromeOS, Android, iPadOS, PS4, Xbox One | Windows, macOS, Linux, Android, iOS, Xbox, PS4, Smart TVs |
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.
Users appreciate the speed and price, yet many report failures, overheating, and data loss, making it a risky choice for critical data.
“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.”
