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Crucial X6 2TB vs SSK PM510 USB4 1TB

Compare Crucial X6 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.

Crucial

Crucial X6 2TB

8.0/10

The 2TB X6 is a budget buy for console-game storage or backup duty — at 800 MB/s it's easily fast enough for cold-game library overflow on PS5 (where the internal SSD handles active play), and the larger die stack holds the 800 MB/s rate longer than the 1TB.

800 MB/s read

Budget-friendly $/TB

PS5/Xbox compatible for cold library

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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

Crucial X6 2TB

SSK PM510 USB4 1TB

Read Speed

800 MB/s

3.2 GB/s ✓

Write Speed

800 MB/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

8.0/10

8.6/10 ✓

Total Wins

2 wins

3 wins

Frequently Asked Questions

Which is better, Crucial X6 2TB or SSK PM510 USB4 1TB?

The SSK PM510 USB4 1TB scores 8.6/10 compared to 8.0/10 for the Crucial X6 2TB. Our expert analysis favors the SSK PM510 USB4 1TB for its superior speed.

What's the difference between Crucial X6 2TB and SSK PM510 USB4 1TB?

The key differences: The Crucial X6 2TB offers 800 MB/s reads vs 3,200 MB/s for the SSK PM510 USB4 1TB. Capacity options differ: Crucial X6 2TB is 2TB while SSK PM510 USB4 1TB is 1TB. The Crucial X6 2TB uses USB 3.2 Gen 2 while the SSK PM510 USB4 1TB uses USB4.

Which is faster, Crucial X6 2TB or SSK PM510 USB4 1TB?

The SSK PM510 USB4 1TB is faster with 3,200 MB/s read speeds compared to 800 MB/s for the Crucial X6 2TB. That's a 300% speed advantage.

Which has better value, Crucial X6 2TB or SSK PM510 USB4 1TB?

The SSK PM510 USB4 1TB scores higher (8.6 vs 8.0/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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