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 Netac ZX1 2TB

Compare Corsair EX400U 1TB and Netac ZX1 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 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 →

Netac

Netac ZX1 2TB
7.6/10

The 2TB ZX1 doubles both capacity and SLC cache budget. Budget pricing holds — among the most affordable 2TB Gen 2x2 portables at retail. Buyers should temper expectations on sustained writes after the SLC cache exhausts.

Gen 2x2 2000/1800 MB/s
Budget pricing
2400 TBW
Check on Amazon →

Spec Comparison

Spec
Corsair EX400U 1TB
Netac ZX1 2TB
Read Speed
3.3 GB/s ✓
2.0 GB/s
Write Speed
3.0 GB/s ✓
1.8 GB/s
Capacity
1 TB
2 TB ✓
Interface
USB4
USB 3.2 Gen 2x2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
5 Years ✓
3 Years
Score
9.0/10 ✓
7.6/10
Total Wins
4 wins
2 wins

Frequently Asked Questions

Which is better, Corsair EX400U 1TB or Netac ZX1 2TB?
The Corsair EX400U 1TB scores 9.0/10 compared to 7.6/10 for the Netac ZX1 2TB. Our expert analysis favors the Corsair EX400U 1TB for its superior speed.
What's the difference between Corsair EX400U 1TB and Netac ZX1 2TB?
The key differences: The Corsair EX400U 1TB offers 3,300 MB/s reads vs 2,000 MB/s for the Netac ZX1 2TB. Capacity options differ: Corsair EX400U 1TB is 1TB while Netac ZX1 2TB is 2TB. The Corsair EX400U 1TB uses USB4 while the Netac ZX1 2TB uses USB 3.2 Gen 2x2.
Which is faster, Corsair EX400U 1TB or Netac ZX1 2TB?
The Corsair EX400U 1TB is faster with 3,300 MB/s read speeds compared to 2,000 MB/s for the Netac ZX1 2TB. That's a 65% speed advantage.
Which has better value, Corsair EX400U 1TB or Netac ZX1 2TB?
The Corsair EX400U 1TB scores higher (9.0 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

Corsair EX400U 1TB vs Samsung T9 2TB → Netac ZX1 2TB vs Samsung T9 2TB →
Corsair EX400U 1TB vs Samsung T9 Portable SSD → Netac ZX1 2TB vs Samsung T9 Portable SSD →
Corsair EX400U 1TB vs Crucial X10 Pro 2TB → Netac ZX1 2TB vs Crucial X10 Pro 2TB →
Corsair EX400U 1TB vs Samsung T7 4TB → Netac ZX1 2TB vs Samsung T7 4TB →