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External SSDs

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Corsair EX400U 1TB vs SanDisk Extreme Pro Portable 1TB

Compare Corsair EX400U 1TB and SanDisk Extreme Pro Portable 1TB side by side. Both are 1TB USB4 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Corsair

Corsair EX400U 1TB
9.0/10

A 1TB USB4 portable — 3300 MB/s read on a Thunderbolt 4 / USB4 host. The EX400U is the rare USB4 drive that supports the full 40Gbps link (not all USB4 drives do). 5-year warranty is best-in-class for the speed tier.

USB4 3300 MB/s read
5-year warranty
Full 40Gbps USB4 link
Check on Amazon →
Our Pick

SanDisk

SanDisk Extreme Pro Portable 1TB
9.1/10

A 1050 MB/s portable SSD in an aluminum-and-rubber body with an IP55 dust/water rating. The Extreme Pro is the ruggedized competitor to the Samsung T7 Shield — headlining a 5-year warranty where Samsung offers 3, and including both USB-C-to-C and USB-C-to-A cables.

IP55 dust and water resistant
Aluminum chassis with rubber bumper
5-year warranty
Check on Amazon →

Spec Comparison

Spec
Corsair EX400U 1TB
SanDisk Extreme Pro Portable 1TB
Read Speed
3.3 GB/s ✓
1.1 GB/s
Write Speed
3.0 GB/s ✓
1.0 GB/s
Capacity
1 TB
1 TB
Interface
USB4
USB 3.2 Gen 2
Endurance (TBW)
600 TB
600 TB
Warranty
5 Years
5 Years
Score
9.0/10
9.1/10 ✓
Total Wins
2 wins
1 win

Frequently Asked Questions

Which is better, Corsair EX400U 1TB or SanDisk Extreme Pro Portable 1TB?
The SanDisk Extreme Pro Portable 1TB scores 9.1/10 compared to 9.0/10 for the Corsair EX400U 1TB. Our expert analysis favors the SanDisk Extreme Pro Portable 1TB for its superior value.
What's the difference between Corsair EX400U 1TB and SanDisk Extreme Pro Portable 1TB?
The key differences: The Corsair EX400U 1TB offers 3,300 MB/s reads vs 1,050 MB/s for the SanDisk Extreme Pro Portable 1TB. Capacity options differ: Corsair EX400U 1TB is 1TB while SanDisk Extreme Pro Portable 1TB is 1TB. The Corsair EX400U 1TB uses USB4 while the SanDisk Extreme Pro Portable 1TB uses USB 3.2 Gen 2.
Which is faster, Corsair EX400U 1TB or SanDisk Extreme Pro Portable 1TB?
The Corsair EX400U 1TB is faster with 3,300 MB/s read speeds compared to 1,050 MB/s for the SanDisk Extreme Pro Portable 1TB. That's a 214% speed advantage.
Which has better value, Corsair EX400U 1TB or SanDisk Extreme Pro Portable 1TB?
The SanDisk Extreme Pro Portable 1TB scores higher (9.1 vs 9.0/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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