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Corsair EX400U USB4 vs LaCie Rugged SSD 1TB

Compare Corsair EX400U USB4 and LaCie Rugged SSD 1TB 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 USB4

9.2/10

High-bandwidth USB4 external SSD delivering up to 4,000MB/s reads with MagSafe compatibility. Perfect for creative professionals with Thunderbolt 4 and USB4 laptops.

Blazing 4000MB/s read speeds over USB4

MagSafe magnetic attachment for iPhone

Full Thunderbolt 4 backward compatibility

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LaCie

LaCie Rugged SSD 1TB

8.6/10

The non-Pro Rugged SSD keeps the IP67 orange-rubber body but drops the Thunderbolt controller for USB 3.2 Gen 2. For photographers and documentarians whose laptops don't have Thunderbolt anyway, this is the right compromise at a much lower price than the Pro.

IP67 rugged body

1050-class Gen 2 speeds

5-year warranty + Rescue

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Spec Comparison

Spec

Corsair EX400U USB4

LaCie Rugged SSD 1TB

Read Speed

4.0 GB/s ✓

950 MB/s

Write Speed

3.6 GB/s ✓

950 MB/s

Capacity

1 TB ✓

1 TB

Interface

USB4

USB 3.2 Gen 2

Endurance (TBW)

700 TB ✓

600 TB

Warranty

5 Years

Score

9.2/10 ✓

8.6/10

Total Wins

5 wins

0 wins

Frequently Asked Questions

Which is better, Corsair EX400U USB4 or LaCie Rugged SSD 1TB?

The Corsair EX400U USB4 scores 9.2/10 compared to 8.6/10 for the LaCie Rugged SSD 1TB. Our expert analysis favors the Corsair EX400U USB4 for its superior speed.

What's the difference between Corsair EX400U USB4 and LaCie Rugged SSD 1TB?

The key differences: The Corsair EX400U USB4 offers 4,000 MB/s reads vs 950 MB/s for the LaCie Rugged SSD 1TB. Capacity options differ: Corsair EX400U USB4 is 1TB while LaCie Rugged SSD 1TB is 1TB. The Corsair EX400U USB4 uses USB4 while the LaCie Rugged SSD 1TB uses USB 3.2 Gen 2.

Which is faster, Corsair EX400U USB4 or LaCie Rugged SSD 1TB?

The Corsair EX400U USB4 is faster with 4,000 MB/s read speeds compared to 950 MB/s for the LaCie Rugged SSD 1TB. That's a 321% speed advantage.

Which has better value, Corsair EX400U USB4 or LaCie Rugged SSD 1TB?

The Corsair EX400U USB4 scores higher (9.2 vs 8.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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