
Crucial X6 1TB
Score: 34/100
Samsung T7 Shield 2TB Portable SSD
Score: 81/100Rankings

The Samsung T7 Shield 2TB combines the high-speed performance of the T7 line with rugged IP65 protection and 3 m drop resistance, delivering 1050 MB/s read and 1000 MB/s write in a rubberized case. It lacks biometric authentication, its read speeds can fall short of the spec, and the warranty is limited to three years.

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 | 2,000 GBbest | |
540 MB/s | 1,050 MB/sbest | |
212 MB/s | 1,000 MB/sbest | |
| ↓ lower better | 40 gbest | 98 g |
36 monthsbest | 36 monthsbest | |
| ↓ lower better | — | 60 °Cbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Capacity(1) | ||
Storage Capacity (GB) | 1000 GB | 2000 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(2) | ||
Weight (g) | 40 g | 98 g |
Form Factor | portable | Rectangular |
Power & Connectivity(2) | ||
Power Source | bus-powered | Bus-powered via USB |
Included Cable Type | USB-C to USB-C | USB-C to USB-C, USB-C to USB-A |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Android, iOS, consoles | Windows, macOS, Android, Linux, PS5, Xbox Series X/S, mobile devices |
Technical Specs(2) | ||
NAND Type | QLC | 128-layer 3D TLC V-NAND |
Controller | Silicon Motion SM2259XT | Samsung Pablo |

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 Shield's durability, encryption and consistent high-speed performance, while pointing out the lack of DRAM and that read speeds often plateau below the advertised peak.
Users appreciate the ruggedness and fast transfers for on-the-go work, but note occasional warmth, slower read speeds and wish for a longer warranty.