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Samsung T7 2TB vs SSK PM510 USB4 1TB — Which External SSD Is Faster & Better Value?

Compare Samsung T7 2TB and SSK PM510 USB4 1TB side by side. Both are 2TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Samsung

Samsung T7 2TB

9.3/10

The 2TB T7 holds a full MacBook worth of media without flinching — sustained writes on the 2TB die stack stay pegged at 1000 MB/s well past the 200GB mark where 1TB T7 starts to taper. A sensible growth choice for creators outgrowing 1TB.

Sustained writes hold 1000 MB/s past 200GB

Cool operation under load

Hardware encryption included

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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

Samsung T7 2TB

SSK PM510 USB4 1TB

Read Speed

1.1 GB/s

3.2 GB/s ✓

Write Speed

1.0 GB/s

2.8 GB/s ✓

Capacity

2 TB ✓

1 TB

Interface

USB 3.2 Gen 2

USB4

Endurance (TBW)

1,200 TB ✓

600 TB

Warranty

3 Years

Score

9.3/10 ✓

8.6/10

Total Wins

3 wins

2 wins

Frequently Asked Questions

Which is better, Samsung T7 2TB or SSK PM510 USB4 1TB?

The Samsung T7 2TB scores 9.3/10 compared to 8.6/10 for the SSK PM510 USB4 1TB. Our expert analysis favors the Samsung T7 2TB for its superior value.

What's the difference between Samsung T7 2TB and SSK PM510 USB4 1TB?

The key differences: The Samsung T7 2TB offers 1,050 MB/s reads vs 3,200 MB/s for the SSK PM510 USB4 1TB. Capacity options differ: Samsung T7 2TB is 2TB while SSK PM510 USB4 1TB is 1TB. The Samsung T7 2TB uses USB 3.2 Gen 2 while the SSK PM510 USB4 1TB uses USB4.

Which is faster, Samsung T7 2TB or SSK PM510 USB4 1TB?

The SSK PM510 USB4 1TB is faster with 3,200 MB/s read speeds compared to 1,050 MB/s for the Samsung T7 2TB. That's a 205% speed advantage.

Which has better value, Samsung T7 2TB or SSK PM510 USB4 1TB?

The Samsung T7 2TB scores higher (9.3 vs 8.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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