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External SSDs

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Seagate FireCuda Gaming SSD 4TB vs SSK PM510 USB4 1TB

Compare Seagate FireCuda Gaming SSD 4TB and SSK PM510 USB4 1TB side by side. Both are 4TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Seagate

Seagate FireCuda Gaming SSD 4TB
8.5/10

The 4TB FireCuda is the biggest Seagate portable SSD — a Gen 2x2 RGB drive sized for entire game-library overflow. The 5-year warranty and included Rescue plan are real value-adds at this capacity.

4TB Gen 2x2 storage
5-year warranty + Rescue
RGB lighting
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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
Seagate FireCuda Gaming SSD 4TB
SSK PM510 USB4 1TB
Read Speed
2.0 GB/s
3.2 GB/s ✓
Write Speed
2.0 GB/s
2.8 GB/s ✓
Capacity
4 TB ✓
1 TB
Interface
USB 3.2 Gen 2
USB4
Endurance (TBW)
2,400 TB ✓
600 TB
Warranty
5 Years ✓
3 Years
Score
8.5/10
8.6/10 ✓
Total Wins
3 wins
3 wins

Frequently Asked Questions

Which is better, Seagate FireCuda Gaming SSD 4TB or SSK PM510 USB4 1TB?
The SSK PM510 USB4 1TB scores 8.6/10 compared to 8.5/10 for the Seagate FireCuda Gaming SSD 4TB. Our expert analysis favors the SSK PM510 USB4 1TB for its superior speed.
What's the difference between Seagate FireCuda Gaming SSD 4TB and SSK PM510 USB4 1TB?
The key differences: The Seagate FireCuda Gaming SSD 4TB offers 2,000 MB/s reads vs 3,200 MB/s for the SSK PM510 USB4 1TB. Capacity options differ: Seagate FireCuda Gaming SSD 4TB is 4TB while SSK PM510 USB4 1TB is 1TB. The Seagate FireCuda Gaming SSD 4TB uses USB 3.2 Gen 2 while the SSK PM510 USB4 1TB uses USB4.
Which is faster, Seagate FireCuda Gaming SSD 4TB 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 Seagate FireCuda Gaming SSD 4TB. That's a 60% speed advantage.
Which has better value, Seagate FireCuda Gaming SSD 4TB 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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Seagate FireCuda Gaming SSD 4TB vs Samsung T7 4TB → SSK PM510 USB4 1TB vs Samsung T7 4TB →