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External SSDs

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Corsair EX400U 1TB vs Seagate FireCuda External USB-C

Compare Corsair EX400U 1TB and Seagate FireCuda External USB-C side by side. Both are 1TB USB4 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

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
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Seagate

Seagate FireCuda External USB-C
8.8/10

Purpose-built for gamers with RGB lighting and fast load times for console and PC.

RGB lighting customizable via software
Fast load times for console and PC
USB-C connectivity
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Spec Comparison

Spec
Corsair EX400U 1TB
Seagate FireCuda External USB-C
Read Speed
3.3 GB/s ✓
1.0 GB/s
Write Speed
3.0 GB/s ✓
1.0 GB/s
Capacity
1 TB
2 TB ✓
Interface
USB4
USB 3.2 Gen 2
Endurance (TBW)
600 TB
700 TB ✓
Warranty
5 Years ✓
3 Years
Score
9.0/10 ✓
8.8/10
Total Wins
4 wins
2 wins

Frequently Asked Questions

Which is better, Corsair EX400U 1TB or Seagate FireCuda External USB-C?
The Corsair EX400U 1TB scores 9.0/10 compared to 8.8/10 for the Seagate FireCuda External USB-C. Our expert analysis favors the Corsair EX400U 1TB for its superior speed.
What's the difference between Corsair EX400U 1TB and Seagate FireCuda External USB-C?
The key differences: The Corsair EX400U 1TB offers 3,300 MB/s reads vs 1,030 MB/s for the Seagate FireCuda External USB-C. Capacity options differ: Corsair EX400U 1TB is 1TB while Seagate FireCuda External USB-C is 2TB. The Corsair EX400U 1TB uses USB4 while the Seagate FireCuda External USB-C uses USB 3.2 Gen 2.
Which is faster, Corsair EX400U 1TB or Seagate FireCuda External USB-C?
The Corsair EX400U 1TB is faster with 3,300 MB/s read speeds compared to 1,030 MB/s for the Seagate FireCuda External USB-C. That's a 220% speed advantage.
Which has better value, Corsair EX400U 1TB or Seagate FireCuda External USB-C?
The Corsair EX400U 1TB scores higher (9.0 vs 8.8/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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