SSK Portable SSD
Score: 80/100
Crucial X9 Pro 1TB
Score: 83/100Rankings
The Crucial X9 Pro 1TB offers a pocket-sized, fast USB-3.2 Gen 2 SSD with strong encryption and IP55 durability. Its performance is capped at 10 Gbps and weight listings are inconsistent, which may concern buyers. Ideal for photographers and travelers who value portability and security over absolute top speed.
The SSK SD500 1TB Portable SSD delivers up to 1050 MB/s read and 1000 MB/s write speeds in a compact aluminum shell, making it one of the faster USB-C SSDs on the market. Its performance tapers after the cache is exhausted and the drive can become hot under sustained loads. Ideal for mobile creators who need high burst speeds and a lightweight, drop-resistant design.
| Attribute | | |
|---|---|---|
1,024 GBbest | 1,000 GB | |
1,050 MB/sbest | 1,050 MB/sbest | |
1,000 MB/s | 1,050 MB/sbest | |
| ↓ lower better | 30 gbest | — |
3 years | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity(1) | ||
Interface | USB 3.2 Gen 2x2 | USB 3.2 Gen 2 |
Performance(1) | ||
Sequential Write Speed (MB/s) | 1000 MB/s | 1050 MB/s |
Build & Design(2) | ||
Weight (g) | 30 g | 38-80 g |
Dimensions (L×W×H) (mm) | 68×37×12 mm mm | 65×50×10 mm mm |
Storage(1) | ||
Capacity (GB) | 1024 GB | 1000 GB |
Power & Compatibility(2) | ||
Power Source | USB | USB bus-powered |
Compatible Operating Systems | Windows, macOS, Linux, Android, iOS | Windows, macOS, Linux, Android, iPad, PC, PS4, PS5, Xbox |
General(2) | ||
Warranty (years) | 3 years | 5 years |
Included Accessories | USB‑C to C cable, USB‑C to A cable, protective pouch | USB Type‑C cable |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the SSK SD500 1TB for its impressive benchmark numbers-exceeding 1 GB/s in both read and write under optimal USB 3.2 Gen 2x2 conditions-and its solid aluminum build with drop resistance. They also note its broad OS compatibility, UASP/TRIM support, and value-for-money pricing, while cautioning that sustained writes dip after the cache is exhausted and the unit runs hotter than some rivals during long transfers.
Everyday users love the drive's plug-and-play simplicity, feather-light feel, and the speed boost for high-resolution media, often highlighting the included pouch and cables as a plus. Recurring complaints focus on the device heating up during extended copies, real-world speeds falling short of the advertised peak, and the smaller usable capacity caused by formatting and large allocation units.
Professional reviewers commend the X9 Pro for its pocket-sized dimensions, solid 1050 MB/s performance and built-in 256-bit AES encryption, describing it as a sweet-spot SSD that balances speed, durability and price.
Everyday users consistently highlight the drive's blazing transfer speeds, keychain-friendly portability and rugged IP55 protection, while noting occasional heat and cable quality issues.
“Plug-and-play ease across devices (PC/Mac/Android/iOS)”
“High-res photos and videos transfer in seconds, feels premium in hand”
“Survives drops and splashes perfectly.”
