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Corsair EX400U 1TB vs LaCie Rugged SSD Pro 1TB

Compare Corsair EX400U 1TB and LaCie Rugged SSD Pro 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

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LaCie

LaCie Rugged SSD Pro 1TB

9.0/10

A Thunderbolt 3 portable SSD in LaCie's iconic orange-rubber bumpers — IP67, 3-meter drop, and 1-ton car-proof. The Rugged SSD Pro is the field-shoot standard for video crews who need one drive that survives a van rollover and still delivers Thunderbolt-class 2700 MB/s.

Thunderbolt 3 2700 MB/s

IP67 dust/water

3-meter drop + 1-ton crush

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Spec Comparison

Spec

Corsair EX400U 1TB

LaCie Rugged SSD Pro 1TB

Read Speed

3.3 GB/s ✓

2.7 GB/s

Write Speed

3.0 GB/s ✓

1.9 GB/s

Capacity

1 TB

Interface

USB4

Thunderbolt 3

Endurance (TBW)

600 TB

Warranty

5 Years

Score

9.0/10

Total Wins

2 wins

0 wins

Frequently Asked Questions

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

Both drives score 9.0/10 in our expert testing. The best choice depends on your specific needs.

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

The key differences: The Corsair EX400U 1TB offers 3,300 MB/s reads vs 2,700 MB/s for the LaCie Rugged SSD Pro 1TB. Capacity options differ: Corsair EX400U 1TB is 1TB while LaCie Rugged SSD Pro 1TB is 1TB. The Corsair EX400U 1TB uses USB4 while the LaCie Rugged SSD Pro 1TB uses Thunderbolt 3.

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

The Corsair EX400U 1TB is faster with 3,300 MB/s read speeds compared to 2,700 MB/s for the LaCie Rugged SSD Pro 1TB. That's a 22% speed advantage.

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

Both drives score the same in our evaluation. Consider features, endurance, and warranty to determine which suits your needs better.

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