
SanDisk Extreme PRO
Score: 87/100
Crucial X9 Pro
Score: 81/100Rankings

The SanDisk Extreme PRO Portable SSD 1TB delivers flagship-level 2000 MB/s speeds in a rugged, IP65-rated aluminum case. Its premium price and only 128-bit encryption may deter budget-focused buyers. Ideal for creators and professionals needing ultra-fast, durable portable storage.

The Crucial X9 Pro for Mac 1TB delivers Mac-optimized performance of up to 1050 MB/s in a tiny, IP55-rated aluminum case with strong 256-bit encryption. Its 10 Gbps USB 3.2 Gen 2 interface caps peak throughput below newer 20 Gbps models, and the IP rating is modest compared with IP65 rivals. Ideal for Mac-centric creators and travelers who value portability and native compatibility.
| Attribute | ![]() | ![]() |
|---|---|---|
1,000 GBbest | 1,000 GBbest | |
2,000 MB/sbest | 1,050 MB/s | |
2,000 MB/sbest | 1,050 MB/s | |
| ↓ lower better | 77.5 g | 38 gbest |
5 yearsbest | 5 yearsbest | |
3 mbest | 2 m |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Connectivity(1) | ||
Interface | USB 3.2 Gen 2 x2 | USB 3.2 Gen 2 Type-C |
Build & Design(3) | ||
Weight (g) | 77.5 g | 38 g |
Dimensions (L×W×H) (mm) | 110.7×57.9×10.4 mm mm | 65×50×9.91 mm mm |
Drop Resistance (m) | 3 m | 2 m |
Storage(1) | ||
NAND Type | WD 64-Layer 3D TLC | Micron TLC NAND |
Performance(3) | ||
Sequential Read Speed (MB/s) | 2000 MB/s | 1050 MB/s |
Sequential Write Speed (MB/s) | 2000 MB/s | 1050 MB/s |
Controller | WD G1 | Silicon Motion SM2320 ASIC |
Features(1) | ||
IP Rating | IP65 | IP55 |


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

KitGuru and other professional reviewers conclude that the Extreme PRO Portable SSD lives up to its premium positioning, delivering top-tier transfer speeds, a rugged yet compact design, and strong security features, making it a go-to choice for content creators and mobile professionals who need reliable, high-speed storage.
The source data does not contain direct consumer reviews, so everyday user sentiment cannot be directly assessed; the product is marketed toward professionals and creators, suggesting positive expectations for speed and durability.

Professional reviewers commend the X9 Pro for its ultra-compact, lightweight design and Mac-specific firmware, calling it a sweet-spot SSD that balances performance, size, and price.
Everyday users overwhelmingly praise the X9 Pro's portability, lightweight feel, and seamless Mac compatibility, reflected in a high overall rating. The consensus highlights its suitability for travel, field work, and creative workflows, with few complaints surfacing.
