Skip to main content
Portable SSDs

As an Amazon Associate I earn from qualifying purchases. We may earn a commission from qualifying purchases made through links on this page. Prices and availability are subject to change. We are reader-supported and independent — our rankings are based on an objective scoring rubric, not sponsorship.

Crucial X8 Portable 1TB vs Sabrent Rocket Nano V2 Portable 4TB

Compare Crucial X8 Portable 1TB and Sabrent Rocket Nano V2 Portable 4TB side by side. Both are 1TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Crucial

Crucial X8 Portable 1TB
8.3/10

The X8 is the previous-gen Crucial premium portable — superseded by the X9 Pro but often available at discounts. Same 1050/1000 MB/s, aluminum unibody, but a 3-year warranty. Worth buying if the sale price beats the X9 Pro by a meaningful margin.

1050/1000 MB/s
Anodized aluminum body
Often on clearance
Check on Amazon →
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
Check on Amazon →

Spec Comparison

Spec
Crucial X8 Portable 1TB
Sabrent Rocket Nano V2 Portable 4TB
Read Speed
1.1 GB/s
2.0 GB/s ✓
Write Speed
1.0 GB/s
2.0 GB/s ✓
Capacity
1 TB
4 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
600 TB
2,400 TB ✓
Warranty
3 Years
3 Years
Score
8.3/10
8.6/10 ✓
Total Wins
0 wins
5 wins

Frequently Asked Questions

Which is better, Crucial X8 Portable 1TB or Sabrent Rocket Nano V2 Portable 4TB?
The Sabrent Rocket Nano V2 Portable 4TB scores 8.6/10 compared to 8.3/10 for the Crucial X8 Portable 1TB. Our expert analysis favors the Sabrent Rocket Nano V2 Portable 4TB for its superior speed.
What's the difference between Crucial X8 Portable 1TB and Sabrent Rocket Nano V2 Portable 4TB?
The key differences: The Crucial X8 Portable 1TB offers 1,050 MB/s reads vs 2,000 MB/s for the Sabrent Rocket Nano V2 Portable 4TB. Capacity options differ: Crucial X8 Portable 1TB is 1TB while Sabrent Rocket Nano V2 Portable 4TB is 4TB. The Crucial X8 Portable 1TB uses USB 3.2 Gen 2 while the Sabrent Rocket Nano V2 Portable 4TB uses USB 3.2 Gen 2x2.
Which is faster, Crucial X8 Portable 1TB 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 1,050 MB/s for the Crucial X8 Portable 1TB. That's a 90% speed advantage.
Which has better value, Crucial X8 Portable 1TB or Sabrent Rocket Nano V2 Portable 4TB?
The Sabrent Rocket Nano V2 Portable 4TB scores higher (8.6 vs 8.3/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Crucial X8 Portable 1TB vs Samsung T9 Portable SSD → Sabrent Rocket Nano V2 Portable 4TB vs Samsung T9 Portable SSD →
Crucial X8 Portable 1TB vs Samsung T9 Portable 4TB → Sabrent Rocket Nano V2 Portable 4TB vs Samsung T9 Portable 4TB →
Crucial X8 Portable 1TB vs Crucial X10 Pro Portable 4TB → Sabrent Rocket Nano V2 Portable 4TB vs Crucial X10 Pro Portable 4TB →
Crucial X8 Portable 1TB vs Sabrent Rocket Nano V2 → Sabrent Rocket Nano V2 Portable 4TB vs Sabrent Rocket Nano V2 →