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External SSDs

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Crucial X6 4TB vs Seagate FireCuda External USB-C

Compare Crucial X6 4TB and Seagate FireCuda External USB-C 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
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Our Pick

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
Crucial X6 4TB
Seagate FireCuda External USB-C
Read Speed
800 MB/s
1.0 GB/s ✓
Write Speed
800 MB/s
1.0 GB/s ✓
Capacity
4 TB ✓
2 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB ✓
700 TB
Warranty
3 Years
3 Years
Score
8.2/10
8.8/10 ✓
Total Wins
2 wins
3 wins

Frequently Asked Questions

Which is better, Crucial X6 4TB or Seagate FireCuda External USB-C?
The Seagate FireCuda External USB-C scores 8.8/10 compared to 8.2/10 for the Crucial X6 4TB. Our expert analysis favors the Seagate FireCuda External USB-C for its superior speed.
What's the difference between Crucial X6 4TB and Seagate FireCuda External USB-C?
The key differences: The Crucial X6 4TB offers 800 MB/s reads vs 1,030 MB/s for the Seagate FireCuda External USB-C. Capacity options differ: Crucial X6 4TB is 4TB while Seagate FireCuda External USB-C is 2TB. The Crucial X6 4TB uses USB 3.2 Gen 2 while the Seagate FireCuda External USB-C uses USB 3.2 Gen 2.
Which is faster, Crucial X6 4TB or Seagate FireCuda External USB-C?
The Seagate FireCuda External USB-C is faster with 1,030 MB/s read speeds compared to 800 MB/s for the Crucial X6 4TB. That's a 29% speed advantage.
Which has better value, Crucial X6 4TB or Seagate FireCuda External USB-C?
The Seagate FireCuda External USB-C scores higher (8.8 vs 8.2/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Crucial X6 4TB vs Samsung T9 2TB → Seagate FireCuda External USB-C vs Samsung T9 2TB →
Crucial X6 4TB vs Samsung T9 Portable SSD → Seagate FireCuda External USB-C vs Samsung T9 Portable SSD →
Crucial X6 4TB vs Crucial X10 Pro 2TB → Seagate FireCuda External USB-C vs Crucial X10 Pro 2TB →
Crucial X6 4TB vs Samsung T7 4TB → Seagate FireCuda External USB-C vs Samsung T7 4TB →