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Portable SSDs

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Crucial X6 Portable 4TB vs WD My Passport SSD Portable 4TB — Which Portable SSD Is Faster & Better Value?

Compare Crucial X6 Portable 4TB and WD My Passport SSD 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
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Our Pick

Western Digital

WD My Passport SSD Portable 4TB
8.7/10

A 4TB My Passport SSD portable — same physical package as the 1TB/2TB but with the 4TB die stack. The biggest single-portable WD ships and one of the few 4TB portable SSDs at retail, period. Compares closely with the Samsung T7 4TB.

4TB slim form factor
2400 TBW endurance
AES hardware encryption
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Spec Comparison

Spec
Crucial X6 Portable 4TB
WD My Passport SSD 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
8.7/10 ✓
Total Wins
0 wins
3 wins

Frequently Asked Questions

Which is better, Crucial X6 Portable 4TB or WD My Passport SSD Portable 4TB?
The WD My Passport SSD Portable 4TB scores 8.7/10 compared to 8.0/10 for the Crucial X6 Portable 4TB. Our expert analysis favors the WD My Passport SSD Portable 4TB for its superior speed.
What's the difference between Crucial X6 Portable 4TB and WD My Passport SSD Portable 4TB?
The key differences: The Crucial X6 Portable 4TB offers 800 MB/s reads vs 1,050 MB/s for the WD My Passport SSD Portable 4TB. Capacity options differ: Crucial X6 Portable 4TB is 4TB while WD My Passport SSD Portable 4TB is 4TB. The Crucial X6 Portable 4TB uses USB 3.2 Gen 2 while the WD My Passport SSD Portable 4TB uses USB 3.2 Gen 2.
Which is faster, Crucial X6 Portable 4TB or WD My Passport SSD Portable 4TB?
The WD My Passport SSD 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 WD My Passport SSD Portable 4TB?
The WD My Passport SSD Portable 4TB scores higher (8.7 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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