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Portable SSDs

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Crucial X6 Portable 1TB vs Crucial X8 Portable 2TB — Which Portable SSD Is Faster & Better Value?

Compare Crucial X6 Portable 1TB and Crucial X8 Portable 2TB 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 Portable 1TB
7.6/10

A budget 1TB Gen 2 portable for the portable-SSD crowd — 800 MB/s is below the Gen 2 ceiling but exactly what's needed for Time Machine and laptop backup workflows that don't depend on peak speeds. Picks IP-rating-free build to keep price aggressive.

800 MB/s read
Budget pricing
PS5/Xbox cold-library compatible
Check on Amazon →
Our Pick

Crucial

Crucial X8 Portable 2TB
8.4/10

A 2TB solid-aluminum previous-gen Crucial X8 portable — often discounted during clearance cycles. Buy when the savings over the X9 Pro 2TB are real (30%+); ignore when pricing is competitive with the X9 Pro (which has the 5-year warranty).

1050/1000 MB/s
Aluminum unibody
Often discounted
Check on Amazon →

Spec Comparison

Spec
Crucial X6 Portable 1TB
Crucial X8 Portable 2TB
Read Speed
800 MB/s
1.1 GB/s ✓
Write Speed
800 MB/s
1.0 GB/s ✓
Capacity
1 TB
2 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
3 Years
3 Years
Score
7.6/10
8.4/10 ✓
Total Wins
0 wins
5 wins

Frequently Asked Questions

Which is better, Crucial X6 Portable 1TB or Crucial X8 Portable 2TB?
The Crucial X8 Portable 2TB scores 8.4/10 compared to 7.6/10 for the Crucial X6 Portable 1TB. Our expert analysis favors the Crucial X8 Portable 2TB for its superior speed.
What's the difference between Crucial X6 Portable 1TB and Crucial X8 Portable 2TB?
The key differences: The Crucial X6 Portable 1TB offers 800 MB/s reads vs 1,050 MB/s for the Crucial X8 Portable 2TB. Capacity options differ: Crucial X6 Portable 1TB is 1TB while Crucial X8 Portable 2TB is 2TB. The Crucial X6 Portable 1TB uses USB 3.2 Gen 2 while the Crucial X8 Portable 2TB uses USB 3.2 Gen 2.
Which is faster, Crucial X6 Portable 1TB or Crucial X8 Portable 2TB?
The Crucial X8 Portable 2TB is faster with 1,050 MB/s read speeds compared to 800 MB/s for the Crucial X6 Portable 1TB. That's a 31% speed advantage.
Which has better value, Crucial X6 Portable 1TB or Crucial X8 Portable 2TB?
The Crucial X8 Portable 2TB scores higher (8.4 vs 7.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Crucial X6 Portable 1TB vs Samsung T9 Portable SSD → Crucial X8 Portable 2TB vs Samsung T9 Portable SSD →
Crucial X6 Portable 1TB vs Samsung T9 Portable 4TB → Crucial X8 Portable 2TB vs Samsung T9 Portable 4TB →
Crucial X6 Portable 1TB vs Crucial X10 Pro Portable 4TB → Crucial X8 Portable 2TB vs Crucial X10 Pro Portable 4TB →
Crucial X6 Portable 1TB vs Sabrent Rocket Nano V2 → Crucial X8 Portable 2TB vs Sabrent Rocket Nano V2 →