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Portable SSDs

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Crucial X6 Portable 4TB vs Samsung T7 Shield Portable 4TB — Which Portable SSD Is Faster & Better Value?

Compare Crucial X6 Portable 4TB and Samsung T7 Shield Portable 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 Portable 4TB
8.0/10

A 4TB portable at the X6's budget price is closer to spinning-rust economics than SSD. The 800 MB/s ceiling doesn't matter for the use case — the entire point is capacious portable cold library overflow for PS5, Xbox, or photo archive, not peak throughput.

4TB at budget pricing
PS5/Xbox cold-library friendly
Cool operation
Check on Amazon →
Our Pick

Samsung

Samsung T7 Shield Portable 4TB
9.4/10

The 4TB T7 Shield portable — Samsung's full IP65 rugged body at the maximum 4TB capacity. The largest single-drive external storage in the T7 Shield line; ideal for outdoor photographers, extreme-sports videographers, and any travel workflow where a non-rugged drive would die in a year.

IP65 rugged body
4TB capacity
3-meter drop rated
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Spec Comparison

Spec
Crucial X6 Portable 4TB
Samsung T7 Shield Portable 4TB
Read Speed
800 MB/s
1.1 GB/s ✓
Write Speed
800 MB/s
1.0 GB/s ✓
Capacity
4 TB
4 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB
2,400 TB
Warranty
3 Years
3 Years
Score
8.0/10
9.4/10 ✓
Total Wins
0 wins
3 wins

Frequently Asked Questions

Which is better, Crucial X6 Portable 4TB or Samsung T7 Shield Portable 4TB?
The Samsung T7 Shield Portable 4TB scores 9.4/10 compared to 8.0/10 for the Crucial X6 Portable 4TB. Our expert analysis favors the Samsung T7 Shield Portable 4TB for its superior speed.
What's the difference between Crucial X6 Portable 4TB and Samsung T7 Shield Portable 4TB?
The key differences: The Crucial X6 Portable 4TB offers 800 MB/s reads vs 1,050 MB/s for the Samsung T7 Shield Portable 4TB. Capacity options differ: Crucial X6 Portable 4TB is 4TB while Samsung T7 Shield Portable 4TB is 4TB. The Crucial X6 Portable 4TB uses USB 3.2 Gen 2 while the Samsung T7 Shield Portable 4TB uses USB 3.2 Gen 2.
Which is faster, Crucial X6 Portable 4TB or Samsung T7 Shield Portable 4TB?
The Samsung T7 Shield Portable 4TB is faster with 1,050 MB/s read speeds compared to 800 MB/s for the Crucial X6 Portable 4TB. That's a 31% speed advantage.
Which has better value, Crucial X6 Portable 4TB or Samsung T7 Shield Portable 4TB?
The Samsung T7 Shield Portable 4TB scores higher (9.4 vs 8.0/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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