SanDisk Extreme 2TB
Score: 87/100
SanDisk Extreme PRO 4TB USB4
Score: 92/100Rankings
The 4 TB SanDisk Extreme PRO Portable SSD uses USB4 to deliver near-internal SSD performance with up to 3800 MB/s reads, while offering rugged IP65 protection and hardware encryption. It shines on Thunderbolt-4 hosts but can fall back to slower speeds on older machines, and its larger size makes it less pocket-friendly.
The SanDisk 2TB Extreme Portable SSD combines high-speed NVMe performance with rugged IP65 protection and 3 m drop resistance, making it a strong choice for creators and field professionals. It adds hardware encryption for security, though some users report early failures and legacy software.
| Attribute | | |
|---|---|---|
2,000 GB | 4,000 GBbest | |
1,050 MB/s | 3,800 MB/sbest | |
1,000 MB/s | 3,700 MB/sbest | |
| ↓ lower better | 51 gbest | 172 g |
60 monthsbest | 60 monthsbest | |
| ↓ lower better | 85 °Cbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Capacity(1) | ||
Storage Capacity (GB) | 2000 GB | 4000 GB |
Performance(3) | ||
Interface | USB 3.2 Gen 2 | USB4 |
Sequential Read Speed (MB/s) | 1050 MB/s | 3800 MB/s |
Sequential Write Speed (MB/s) | 1000 MB/s | 3700 MB/s |
Build & Design(2) | ||
Weight (g) | 51 g | 172 g |
Form Factor | Portable | 2280 |
Power & Connectivity(2) | ||
Power Source | Bus-powered | bus-powered |
Included Cable Type | USB-C to USB-C, USB-C to USB-A | USB-C to USB-C |
Compatibility(1) | ||
Operating System Compatibility | Windows 8, Windows 10, macOS v10.9+, USB 3.0, USB 2.0 | Windows 10+, macOS 14+ |
Products in the top-left offer the best value (high score, low price).
Professional reviewers rate the drive 4.5/5, praising its blazingly fast transfers, rugged IP65 construction, and strong security, while noting its larger size and legacy software.
Everyday users overwhelmingly praise the speed, ruggedness, and plug-and-play ease, often calling it a reliable workhorse for on-location work. Recurring complaints focus on occasional early failures, adapter connectivity glitches, and the presence of unwanted software.
“Blazingly fast file transfers, rugged design, and strong security features, making it an excellent choice for professionals and content creators.”
“a workhorse”
“dead paperweight”
Opt for the Extreme PRO if you need top-tier speed and are willing to pay a premium; otherwise the Extreme offers excellent value.
Professional reviewers commend the Extreme PRO USB4 SSD for its blazing peak speeds and rugged build, but repeatedly warn that real-world performance hinges on a fully compatible 40 Gbps host. PCWorld and The SSD Review note that without BIOS or firmware updates the drive often falls back to slower USB 3.x rates, and some USB4 implementations cap at 32 Gbps, keeping it slightly behind rivals like the Samsung X5. Nonetheless, on Thunderbolt-4 Macs the drive consistently hits its advertised 3800 MB/s reads.
Everyday users, especially video editors and photographers, praise the drive's speed, plug-and-play ease, and durable design for on-location work. The average rating hovers around 4.5 / 5, though recurring complaints focus on initial connection hiccups, the larger form factor, and occasional speed throttling after the cache is exhausted.
