
Crucial X6 1TB
Score: 34/100
Transcend Portable SSD 500GB
Score: 57/100Rankings

The Transcend 500 GB portable SSD offers fast 1050 MB/s reads, a feather-light aluminum body and full-disk AES-256 encryption, making it ideal for creators on the go. It includes versatile cables but may warm up and the case feels cheap.

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 GBbest | 500 GB | |
540 MB/s | 1,050 MB/sbest | |
212 MB/s | 950 MB/sbest | |
| ↓ lower better | 40 g | 31 gbest |
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 | 500 GB |
Performance(2) | ||
Sequential Read Speed (MB/s) | 540 MB/s | 1050 MB/s |
Sequential Write Speed (MB/s) | 212 MB/s | 950 MB/s |
Security(1) | ||
Hardware Encryption | false | true |
Build & Design(2) | ||
Weight (g) | 40 g | 31 g |
Form Factor | portable | 2.5 inches |
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‑A, USB‑C to USB‑C |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Android, iOS, consoles | Windows, macOS, Linux, ChromeOS, iOS/iPadOS, Android, PS5, PS4, Xbox, Smart TV |
Technical Specs(1) | ||
NAND Type | QLC | 3D NAND |

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 consider the Transcend ESD265C a top-tier portable SSD, lauding its lightning-fast transfer rates, rugged yet lightweight aluminum chassis, and bundled USB-A and USB-C cables.
Everyday users overwhelmingly praise the speed, premium feel and cross-platform compatibility, while noting warmth, a flimsy case and occasional legacy-port hiccups.