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Portable SSDs

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Crucial X6 Portable 4TB vs Sabrent Rocket Nano V2 Portable 4TB

Compare Crucial X6 Portable 4TB and Sabrent Rocket Nano V2 Portable 4TB 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.

Crucial

Crucial X6 Portable 4TB
8.0/10

A 4TB portable at the X6's budget price is closer to spinning-rust economics than SSD. The 800 MB/s ceiling doesn't matter for the use case — the entire point is capacious portable cold library overflow for PS5, Xbox, or photo archive, not peak throughput.

4TB at budget pricing
PS5/Xbox cold-library friendly
Cool operation
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Our Pick

Sabrent

Sabrent Rocket Nano V2 Portable 4TB
8.6/10

The 4TB Rocket Nano V2 portable in the same pocketable aluminum unibody. Among the smallest physical 4TB Gen 2x2 portables available — long sustained-write budget on the 4TB die stack.

Gen 2x2 + 4TB
Aluminum unibody heatsink
2400 TBW endurance
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Spec Comparison

Spec
Crucial X6 Portable 4TB
Sabrent Rocket Nano V2 Portable 4TB
Read Speed
800 MB/s
2.0 GB/s ✓
Write Speed
800 MB/s
2.0 GB/s ✓
Capacity
4 TB
4 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
2,400 TB
2,400 TB
Warranty
3 Years
3 Years
Score
8.0/10
8.6/10 ✓
Total Wins
0 wins
3 wins

Frequently Asked Questions

Which is better, Crucial X6 Portable 4TB or Sabrent Rocket Nano V2 Portable 4TB?
The Sabrent Rocket Nano V2 Portable 4TB scores 8.6/10 compared to 8.0/10 for the Crucial X6 Portable 4TB. Our expert analysis favors the Sabrent Rocket Nano V2 Portable 4TB for its superior speed.
What's the difference between Crucial X6 Portable 4TB and Sabrent Rocket Nano V2 Portable 4TB?
The key differences: The Crucial X6 Portable 4TB offers 800 MB/s reads vs 2,000 MB/s for the Sabrent Rocket Nano V2 Portable 4TB. Capacity options differ: Crucial X6 Portable 4TB is 4TB while Sabrent Rocket Nano V2 Portable 4TB is 4TB. The Crucial X6 Portable 4TB uses USB 3.2 Gen 2 while the Sabrent Rocket Nano V2 Portable 4TB uses USB 3.2 Gen 2x2.
Which is faster, Crucial X6 Portable 4TB or Sabrent Rocket Nano V2 Portable 4TB?
The Sabrent Rocket Nano V2 Portable 4TB is faster with 2,000 MB/s read speeds compared to 800 MB/s for the Crucial X6 Portable 4TB. That's a 150% speed advantage.
Which has better value, Crucial X6 Portable 4TB or Sabrent Rocket Nano V2 Portable 4TB?
The Sabrent Rocket Nano V2 Portable 4TB 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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Crucial X6 Portable 4TB vs Samsung T9 Portable 4TB → Sabrent Rocket Nano V2 Portable 4TB vs Samsung T9 Portable 4TB →
Crucial X6 Portable 4TB vs Crucial X10 Pro Portable 4TB → Sabrent Rocket Nano V2 Portable 4TB vs Crucial X10 Pro Portable 4TB →
Crucial X6 Portable 4TB vs Sabrent Rocket Nano V2 → Sabrent Rocket Nano V2 Portable 4TB vs Sabrent Rocket Nano V2 →