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 X6 Portable 2TB

Compare Corsair EX400U Portable 1TB and Crucial X6 Portable 2TB 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 X6 Portable 2TB
7.8/10

A 2TB budget portable SSD from Crucial — the X6 line consistently comes in cheaper per-TB than the T7 family. The 2TB keeps the 800 MB/s cap but the larger SLC cache holds the rate longer before slowing.

2TB budget Gen 2
800 MB/s read
PS5/Xbox cold-library compatible
Check on Amazon →

Spec Comparison

Spec
Corsair EX400U Portable 1TB
Crucial X6 Portable 2TB
Read Speed
3.3 GB/s ✓
800 MB/s
Write Speed
3.0 GB/s ✓
800 MB/s
Capacity
1 TB
2 TB ✓
Interface
USB4
USB 3.2 Gen 2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
5 Years ✓
3 Years
Score
9.0/10 ✓
7.8/10
Total Wins
4 wins
2 wins

Frequently Asked Questions

Which is better, Corsair EX400U Portable 1TB or Crucial X6 Portable 2TB?
The Corsair EX400U Portable 1TB scores 9.0/10 compared to 7.8/10 for the Crucial X6 Portable 2TB. Our expert analysis favors the Corsair EX400U Portable 1TB for its superior speed.
What's the difference between Corsair EX400U Portable 1TB and Crucial X6 Portable 2TB?
The key differences: The Corsair EX400U Portable 1TB offers 3,300 MB/s reads vs 800 MB/s for the Crucial X6 Portable 2TB. Capacity options differ: Corsair EX400U Portable 1TB is 1TB while Crucial X6 Portable 2TB is 2TB. The Corsair EX400U Portable 1TB uses USB4 while the Crucial X6 Portable 2TB uses USB 3.2 Gen 2.
Which is faster, Corsair EX400U Portable 1TB or Crucial X6 Portable 2TB?
The Corsair EX400U Portable 1TB is faster with 3,300 MB/s read speeds compared to 800 MB/s for the Crucial X6 Portable 2TB. That's a 313% speed advantage.
Which has better value, Corsair EX400U Portable 1TB or Crucial X6 Portable 2TB?
The Corsair EX400U Portable 1TB scores higher (9.0 vs 7.8/10), 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 X6 Portable 2TB vs Samsung T9 Portable SSD →
Corsair EX400U Portable 1TB vs Samsung T9 Portable 4TB → Crucial X6 Portable 2TB vs Samsung T9 Portable 4TB →
Corsair EX400U Portable 1TB vs Crucial X10 Pro Portable 4TB → Crucial X6 Portable 2TB vs Crucial X10 Pro Portable 4TB →
Corsair EX400U Portable 1TB vs Sabrent Rocket Nano V2 → Crucial X6 Portable 2TB vs Sabrent Rocket Nano V2 →