
Crucial X6 1TB
Score: 34/100
SanDisk Extreme Portable SSD 1TB
Score: 72/100Rankings

The SanDisk 1TB Extreme Portable SSD combines fast 1050 MB/s reads, rugged IP65 protection and hardware encryption in a lightweight package, making it ideal for creators on the move. It may warm under heavy loads and requires extra software for macOS encryption.

The Crucial X6 1TB is an affordable, ultra-light portable SSD with decent everyday performance, but its QLC NAND and DRAM-less architecture prevent it from delivering the high sustained speeds some users expect.
| Attribute | ![]() | ![]() |
|---|---|---|
1,000 GB | 1,024 GBbest | |
540 MB/s | 1,050 MB/sbest | |
212 MB/s | 1,000 MB/sbest | |
| ↓ lower better | 40 gbest | 68 g |
36 months | 60 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Capacity(1) | ||
Storage Capacity (GB) | 1000 GB | 1024 GB |
Performance(2) | ||
Sequential Read Speed (MB/s) | 540 MB/s | 1050 MB/s |
Sequential Write Speed (MB/s) | 212 MB/s | 1000 MB/s |
Security(1) | ||
Hardware Encryption | false | true |
Build & Design(1) | ||
Weight (g) | 40 g | 68 g |
Warranty(1) | ||
Warranty Period (months) | 36 months | 60 months |
Power & Connectivity(2) | ||
Power Source | bus-powered | USB bus |
Included Cable Type | USB-C to USB-C | USB‑C to USB‑C, USB‑C to USB‑A adapter |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Android, iOS, consoles | Windows 8/10/11, macOS 10.9+ |

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

Professional reviewers consider the X6 a serviceable, budget-friendly portable SSD that works well for everyday tasks but is hampered by its SATA-based internals and DRAM-less design, recommending PCIe-based alternatives for power users.
Consumers appreciate the X6's reliability, pocket-size convenience, and price, though many note that real-world speeds fall short of the advertised 800 MB/s and that performance drops after the cache is exhausted.

“smaller than car keys”

“perfect for travel”

“Crucial SSDs have never failed me.”




Professional reviewers commend the SanDisk 1TB Extreme for its blend of speed, IP65 ruggedness and 256-bit AES encryption, positioning it as a top pick for field professionals.
Everyday users rate the drive highly for fast transfers and durability, though some report overheating, early failures, and the need to install macOS encryption software.