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Corsair EX100U 2TB vs SSK PM510 USB4 1TB

Compare Corsair EX100U 2TB and SSK PM510 USB4 1TB side by side. Both are 2TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Corsair

Corsair EX100U 2TB

8.5/10

A 2TB Gen 2x2 portable SSD in the same aluminum-and-rubber body as the 1TB. Write speed drops slightly to 1800 MB/s on the 2TB variant — a real-world trade-off for the larger NAND die. Still above 2GB/s on long transfers as long as the host is Gen 2x2.

Gen 2x2 speeds

2TB capacity

Both cables in box

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Our Pick

SSK

SSK PM510 USB4 1TB

8.6/10

AUSB4 portable at enthusiast-grade specs — 3200 MB/s read over USB4 / Thunderbolt 4 hosts. The PM510 is one of the more affordable USB4 portables, an entry point for video editors who need Thunderbolt-class speeds but don't want to pay LaCie or OWC premium.

USB4 3200 MB/s

Thunderbolt 4 compatible

Aluminum body

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Spec Comparison

Spec

Corsair EX100U 2TB

SSK PM510 USB4 1TB

Read Speed

2.0 GB/s

3.2 GB/s ✓

Write Speed

1.8 GB/s

2.8 GB/s ✓

Capacity

2 TB ✓

1 TB

Interface

USB 3.2 Gen 2x2

USB4

Endurance (TBW)

1,200 TB ✓

600 TB

Warranty

3 Years

Score

8.5/10

8.6/10 ✓

Total Wins

2 wins

3 wins

Frequently Asked Questions

Which is better, Corsair EX100U 2TB or SSK PM510 USB4 1TB?

The SSK PM510 USB4 1TB scores 8.6/10 compared to 8.5/10 for the Corsair EX100U 2TB. Our expert analysis favors the SSK PM510 USB4 1TB for its superior speed.

What's the difference between Corsair EX100U 2TB and SSK PM510 USB4 1TB?

The key differences: The Corsair EX100U 2TB offers 2,000 MB/s reads vs 3,200 MB/s for the SSK PM510 USB4 1TB. Capacity options differ: Corsair EX100U 2TB is 2TB while SSK PM510 USB4 1TB is 1TB. The Corsair EX100U 2TB uses USB 3.2 Gen 2x2 while the SSK PM510 USB4 1TB uses USB4.

Which is faster, Corsair EX100U 2TB or SSK PM510 USB4 1TB?

The SSK PM510 USB4 1TB is faster with 3,200 MB/s read speeds compared to 2,000 MB/s for the Corsair EX100U 2TB. That's a 60% speed advantage.

Which has better value, Corsair EX100U 2TB or SSK PM510 USB4 1TB?

The SSK PM510 USB4 1TB scores higher (8.6 vs 8.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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