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Crucial X6 1TB vs LaCie Rugged SSD Pro 4TB

Compare Crucial X6 1TB and LaCie Rugged SSD Pro 4TB side by side. Both are 1TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Crucial

Crucial X6 1TB

7.8/10

The X6 is Crucial's budget Gen 2 line — half the speed of the X9 Pro at typically half the price. A sensible choice for game-library expansion on PS5/Xbox or as a Time Machine drive, where sustained write speed matters far less than capacity-per-dollar.

800 MB/s over Gen 2

Cheapest per-TB of Crucial's portable line

Compatible with PS5/Xbox expandable storage

Check on Amazon →

Our Pick

LaCie

LaCie Rugged SSD Pro 4TB

9.2/10

A 4TBThunderbolt 3 portable — uniquely huge for this speed tier. The Rugged SSD Pro 4TB fills a slot nothing else really does: 4TB of fast external storage that's actually rugged, not just claimed to be.

Thunderbolt 3 + 4TB

IP67 + 3m drop + 1-ton crush

5-year Rescue

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Spec Comparison

Spec

Crucial X6 1TB

LaCie Rugged SSD Pro 4TB

Read Speed

800 MB/s

2.7 GB/s ✓

Write Speed

800 MB/s

1.9 GB/s ✓

Capacity

1 TB

4 TB ✓

Interface

USB 3.2 Gen 2

Thunderbolt 3

Endurance (TBW)

600 TB

2,400 TB ✓

Warranty

3 Years

5 Years ✓

Score

7.8/10

9.2/10 ✓

Total Wins

0 wins

6 wins

Frequently Asked Questions

Which is better, Crucial X6 1TB or LaCie Rugged SSD Pro 4TB?

The LaCie Rugged SSD Pro 4TB scores 9.2/10 compared to 7.8/10 for the Crucial X6 1TB. Our expert analysis favors the LaCie Rugged SSD Pro 4TB for its superior speed.

What's the difference between Crucial X6 1TB and LaCie Rugged SSD Pro 4TB?

The key differences: The Crucial X6 1TB offers 800 MB/s reads vs 2,700 MB/s for the LaCie Rugged SSD Pro 4TB. Capacity options differ: Crucial X6 1TB is 1TB while LaCie Rugged SSD Pro 4TB is 4TB. The Crucial X6 1TB uses USB 3.2 Gen 2 while the LaCie Rugged SSD Pro 4TB uses Thunderbolt 3.

Which is faster, Crucial X6 1TB or LaCie Rugged SSD Pro 4TB?

The LaCie Rugged SSD Pro 4TB is faster with 2,700 MB/s read speeds compared to 800 MB/s for the Crucial X6 1TB. That's a 238% speed advantage.

Which has better value, Crucial X6 1TB or LaCie Rugged SSD Pro 4TB?

The LaCie Rugged SSD Pro 4TB scores higher (9.2 vs 7.8/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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