Skip to main content
Portable SSDs

As an Amazon Associate I earn from qualifying purchases. We may earn a commission from qualifying purchases made through links on this page. Prices and availability are subject to change. We are reader-supported and independent — our rankings are based on an objective scoring rubric, not sponsorship.

Corsair EX400U Portable 1TB vs Crucial X8 Portable 1TB

Compare Corsair EX400U Portable 1TB and Crucial X8 Portable 1TB side by side. Both are 1TB USB4 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Corsair

Corsair EX400U Portable 1TB
9.0/10

A USB4 portable from Corsair with 3300 MB/s read on Thunderbolt 4 / USB4 hosts - and the full 5-year warranty. The EX400U 1TB portable is a competitive USB4 entry point for video editors who need Thunderbolt-class speeds without the LaCie price tag.

USB4 3300 MB/s read
5-year warranty
Full 40Gbps USB4 link
Check on Amazon →

Crucial

Crucial X8 Portable 1TB
8.3/10

The X8 is the previous-gen Crucial premium portable — superseded by the X9 Pro but often available at discounts. Same 1050/1000 MB/s, aluminum unibody, but a 3-year warranty. Worth buying if the sale price beats the X9 Pro by a meaningful margin.

1050/1000 MB/s
Anodized aluminum body
Often on clearance
Check on Amazon →

Spec Comparison

Spec
Corsair EX400U Portable 1TB
Crucial X8 Portable 1TB
Read Speed
3.3 GB/s ✓
1.1 GB/s
Write Speed
3.0 GB/s ✓
1.0 GB/s
Capacity
1 TB
1 TB
Interface
USB4
USB 3.2 Gen 2
Endurance (TBW)
600 TB
600 TB
Warranty
5 Years ✓
3 Years
Score
9.0/10 ✓
8.3/10
Total Wins
4 wins
0 wins

Frequently Asked Questions

Which is better, Corsair EX400U Portable 1TB or Crucial X8 Portable 1TB?
The Corsair EX400U Portable 1TB scores 9.0/10 compared to 8.3/10 for the Crucial X8 Portable 1TB. Our expert analysis favors the Corsair EX400U Portable 1TB for its superior speed.
What's the difference between Corsair EX400U Portable 1TB and Crucial X8 Portable 1TB?
The key differences: The Corsair EX400U Portable 1TB offers 3,300 MB/s reads vs 1,050 MB/s for the Crucial X8 Portable 1TB. Capacity options differ: Corsair EX400U Portable 1TB is 1TB while Crucial X8 Portable 1TB is 1TB. The Corsair EX400U Portable 1TB uses USB4 while the Crucial X8 Portable 1TB uses USB 3.2 Gen 2.
Which is faster, Corsair EX400U Portable 1TB or Crucial X8 Portable 1TB?
The Corsair EX400U Portable 1TB is faster with 3,300 MB/s read speeds compared to 1,050 MB/s for the Crucial X8 Portable 1TB. That's a 214% speed advantage.
Which has better value, Corsair EX400U Portable 1TB or Crucial X8 Portable 1TB?
The Corsair EX400U Portable 1TB scores higher (9.0 vs 8.3/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Corsair EX400U Portable 1TB vs Samsung T9 Portable SSD → Crucial X8 Portable 1TB vs Samsung T9 Portable SSD →
Corsair EX400U Portable 1TB vs Samsung T9 Portable 4TB → Crucial X8 Portable 1TB vs Samsung T9 Portable 4TB →
Corsair EX400U Portable 1TB vs Crucial X10 Pro Portable 4TB → Crucial X8 Portable 1TB vs Crucial X10 Pro Portable 4TB →
Corsair EX400U Portable 1TB vs Sabrent Rocket Nano V2 → Crucial X8 Portable 1TB vs Sabrent Rocket Nano V2 →