
SanDisk Portable SSD
Score: 75/100
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.

SanDisk's 1TB Extreme Portable SSD offers up to 560 MB/s read and 501 MB/s write speeds within an IP55-rated, shock-proof enclosure, providing rugged durability for on-the-go professionals. The drive can heat up during long transfers and its small-file performance lags behind larger sequential speeds. Best suited for photographers and videographers needing a tough, cross-platform storage solution.
| Attribute | ![]() | ![]() |
|---|---|---|
1,024 GBbest | 1,000 GB | |
800 MB/s | 1,050 MB/sbest | |
501 MB/s | 1,050 MB/sbest | |
| ↓ lower better | 41 gbest | — |
3 years | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Sequential Read Speed (MB/s) | 800 MB/s | 1050 MB/s |
Sequential Write Speed (MB/s) | 501 MB/s | 1050 MB/s |
Build & Design(2) | ||
Weight (g) | 41 g | 38-80 g |
Dimensions (L×W×H) (mm) | 47×47×10 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 | Windows, macOS, Linux, Android, iPad, PC, PS4, PS5, Xbox |
General(2) | ||
Warranty (years) | 3 years | 5 years |
Included Accessories | USB‑C to USB‑C cable | USB Type‑C cable |


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

Professional reviewers consistently highlight the SanDisk Extreme Portable's rugged IP55 construction, fast NVMe-based performance, and strong value proposition at the 1 TB price point. While they commend its smart design and cross-platform ease of use, they note that the price is higher than some rivals and that small-file transfer performance can lag behind larger sequential transfers.
Everyday users praise the drive's portability, speed, and durability, especially for on-location work and travel. Common praise centers on its ruggedness and value, while recurring complaints focus on heat buildup, the short supplied cable, slower small-file transfers, and occasional long-term reliability issues.

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.
“hands-down one of the best external SSDs on the market”

“very well-built, compact, water and dust resistant and shock proof”

“Survives drops and splashes perfectly.”


