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External SSDs

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Crucial X6 4TB vs LaCie Rugged SSD Pro 4TB

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

Crucial

Crucial X6 4TB
8.2/10

A 4TB external at the X6's price is closer to spinning-rust economics than to typical SSD pricing. The 800 MB/s cap doesn't matter when the use case is video archive or photo-library cold storage — this drive is bought for capacity first, speed second.

4TB at budget-friendly price
PS5/Xbox cold-library compatible
Cool-running
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 4TB
LaCie Rugged SSD Pro 4TB
Read Speed
800 MB/s
2.7 GB/s ✓
Write Speed
800 MB/s
1.9 GB/s ✓
Capacity
4 TB
4 TB
Interface
USB 3.2 Gen 2
Thunderbolt 3
Endurance (TBW)
2,400 TB
2,400 TB
Warranty
3 Years
5 Years ✓
Score
8.2/10
9.2/10 ✓
Total Wins
0 wins
4 wins

Frequently Asked Questions

Which is better, Crucial X6 4TB or LaCie Rugged SSD Pro 4TB?
The LaCie Rugged SSD Pro 4TB scores 9.2/10 compared to 8.2/10 for the Crucial X6 4TB. Our expert analysis favors the LaCie Rugged SSD Pro 4TB for its superior speed.
What's the difference between Crucial X6 4TB and LaCie Rugged SSD Pro 4TB?
The key differences: The Crucial X6 4TB offers 800 MB/s reads vs 2,700 MB/s for the LaCie Rugged SSD Pro 4TB. Capacity options differ: Crucial X6 4TB is 4TB while LaCie Rugged SSD Pro 4TB is 4TB. The Crucial X6 4TB uses USB 3.2 Gen 2 while the LaCie Rugged SSD Pro 4TB uses Thunderbolt 3.
Which is faster, Crucial X6 4TB 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 4TB. That's a 238% speed advantage.
Which has better value, Crucial X6 4TB or LaCie Rugged SSD Pro 4TB?
The LaCie Rugged SSD Pro 4TB scores higher (9.2 vs 8.2/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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