Skip to main content
External 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 1TB vs Sabrent Rocket Nano V2 4TB

Compare Corsair EX400U 1TB and Sabrent Rocket Nano V2 4TB 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 1TB
9.0/10

A 1TB USB4 portable — 3300 MB/s read on a Thunderbolt 4 / USB4 host. The EX400U is the rare USB4 drive that supports the full 40Gbps link (not all USB4 drives do). 5-year warranty is best-in-class for the speed tier.

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

Sabrent

Sabrent Rocket Nano V2 4TB
8.6/10

The 4TB Rocket Nano V2 is unusually capacious for a Gen 2x2 portable — most 4TB portable SSDs ship at Gen 2 speeds. The trade-off is price, which is currently well above T7 4TB. Buy when you specifically need the Gen 2x2 link for fast offloads.

4TB Gen 2x2 storage
Aluminum unibody heatsink
2400 TBW endurance
Check on Amazon →

Spec Comparison

Spec
Corsair EX400U 1TB
Sabrent Rocket Nano V2 4TB
Read Speed
3.3 GB/s ✓
2.0 GB/s
Write Speed
3.0 GB/s ✓
2.0 GB/s
Capacity
1 TB
4 TB ✓
Interface
USB4
USB 3.2 Gen 2x2
Endurance (TBW)
600 TB
2,400 TB ✓
Warranty
5 Years ✓
3 Years
Score
9.0/10 ✓
8.6/10
Total Wins
4 wins
2 wins

Frequently Asked Questions

Which is better, Corsair EX400U 1TB or Sabrent Rocket Nano V2 4TB?
The Corsair EX400U 1TB scores 9.0/10 compared to 8.6/10 for the Sabrent Rocket Nano V2 4TB. Our expert analysis favors the Corsair EX400U 1TB for its superior speed.
What's the difference between Corsair EX400U 1TB and Sabrent Rocket Nano V2 4TB?
The key differences: The Corsair EX400U 1TB offers 3,300 MB/s reads vs 2,000 MB/s for the Sabrent Rocket Nano V2 4TB. Capacity options differ: Corsair EX400U 1TB is 1TB while Sabrent Rocket Nano V2 4TB is 4TB. The Corsair EX400U 1TB uses USB4 while the Sabrent Rocket Nano V2 4TB uses USB 3.2 Gen 2x2.
Which is faster, Corsair EX400U 1TB or Sabrent Rocket Nano V2 4TB?
The Corsair EX400U 1TB is faster with 3,300 MB/s read speeds compared to 2,000 MB/s for the Sabrent Rocket Nano V2 4TB. That's a 65% speed advantage.
Which has better value, Corsair EX400U 1TB or Sabrent Rocket Nano V2 4TB?
The Corsair EX400U 1TB scores higher (9.0 vs 8.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Corsair EX400U 1TB vs Samsung T9 2TB → Sabrent Rocket Nano V2 4TB vs Samsung T9 2TB →
Corsair EX400U 1TB vs Samsung T9 Portable SSD → Sabrent Rocket Nano V2 4TB vs Samsung T9 Portable SSD →
Corsair EX400U 1TB vs Crucial X10 Pro 2TB → Sabrent Rocket Nano V2 4TB vs Crucial X10 Pro 2TB →
Corsair EX400U 1TB vs Samsung T7 4TB → Sabrent Rocket Nano V2 4TB vs Samsung T7 4TB →