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Portable SSDs

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Crucial X6 Portable 4TB vs Sabrent Rocket Nano V2 — Which Portable SSD Is Faster & Better Value?

Compare Crucial X6 Portable 4TB and Sabrent Rocket Nano V2 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
9.5/10

The ultimate portable USB4 SSD in a pocket-sized form factor. 3000MB/s reads with universal Thunderbolt/USB-C compatibility.

Top USB4 speeds in a portable size
3000MB/s reads and 2800MB/s writes
Universal compatibility with USB-C and Thunderbolt
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Spec Comparison

Spec
Crucial X6 Portable 4TB
Sabrent Rocket Nano V2
Read Speed
800 MB/s
3.0 GB/s ✓
Write Speed
800 MB/s
2.8 GB/s ✓
Capacity
4 TB ✓
1 TB
Interface
USB 3.2 Gen 2
USB4
Endurance (TBW)
2,400 TB ✓
700 TB
Warranty
3 Years
5 Years ✓
Score
8.0/10
9.5/10 ✓
Total Wins
2 wins
4 wins

Frequently Asked Questions

Which is better, Crucial X6 Portable 4TB or Sabrent Rocket Nano V2?
The Sabrent Rocket Nano V2 scores 9.5/10 compared to 8.0/10 for the Crucial X6 Portable 4TB. Our expert analysis favors the Sabrent Rocket Nano V2 for its superior speed.
What's the difference between Crucial X6 Portable 4TB and Sabrent Rocket Nano V2?
The key differences: The Crucial X6 Portable 4TB offers 800 MB/s reads vs 3,000 MB/s for the Sabrent Rocket Nano V2. Capacity options differ: Crucial X6 Portable 4TB is 4TB while Sabrent Rocket Nano V2 is 1TB. The Crucial X6 Portable 4TB uses USB 3.2 Gen 2 while the Sabrent Rocket Nano V2 uses USB4.
Which is faster, Crucial X6 Portable 4TB or Sabrent Rocket Nano V2?
The Sabrent Rocket Nano V2 is faster with 3,000 MB/s read speeds compared to 800 MB/s for the Crucial X6 Portable 4TB. That's a 275% speed advantage.
Which has better value, Crucial X6 Portable 4TB or Sabrent Rocket Nano V2?
The Sabrent Rocket Nano V2 scores higher (9.5 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 Crucial X10 Pro Portable 4TB → Sabrent Rocket Nano V2 vs Crucial X10 Pro Portable 4TB →
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