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Portable SSDs

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Crucial X9 Pro vs Crucial X10 Pro Portable 4TB

Compare Crucial X9 Pro and Crucial X10 Pro 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 X9 Pro
8.9/10

Ultra-compact pro-grade portable SSD. Pocket-sized at just 65g. Ideal for mobile professionals.

Extremely compact and lightweight (65g)
IP55 water and dust resistance
Drop-proof up to 2 meters
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Our Pick

Crucial

Crucial X10 Pro Portable 4TB
9.6/10

A 4TB Gen 2x2 portable with the full Crucial X10 Pro spec — TLC NAND, AES, 5-year warranty, 2400 TBW. Among the few 4TB Gen 2x2 SSDs at retail, the closest competitor is the Sabrent Rocket Nano V2 4TB.

Gen 2x2 + 4TB
Real TLC NAND
5-year warranty + 2400 TBW
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Spec Comparison

Spec
Crucial X9 Pro
Crucial X10 Pro 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)
440 TB
2,400 TB ✓
Warranty
3 Years
5 Years ✓
Score
8.9/10
9.6/10 ✓
Total Wins
0 wins
6 wins

Frequently Asked Questions

Which is better, Crucial X9 Pro or Crucial X10 Pro Portable 4TB?
The Crucial X10 Pro Portable 4TB scores 9.6/10 compared to 8.9/10 for the Crucial X9 Pro. Our expert analysis favors the Crucial X10 Pro Portable 4TB for its superior speed.
What's the difference between Crucial X9 Pro and Crucial X10 Pro Portable 4TB?
The key differences: The Crucial X9 Pro offers 1,050 MB/s reads vs 2,000 MB/s for the Crucial X10 Pro Portable 4TB. Capacity options differ: Crucial X9 Pro is 1TB while Crucial X10 Pro Portable 4TB is 4TB. The Crucial X9 Pro uses USB 3.2 Gen 2 while the Crucial X10 Pro Portable 4TB uses USB 3.2 Gen 2x2.
Which is faster, Crucial X9 Pro or Crucial X10 Pro Portable 4TB?
The Crucial X10 Pro Portable 4TB is faster with 2,000 MB/s read speeds compared to 1,050 MB/s for the Crucial X9 Pro. That's a 90% speed advantage.
Which has better value, Crucial X9 Pro or Crucial X10 Pro Portable 4TB?
The Crucial X10 Pro Portable 4TB scores higher (9.6 vs 8.9/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Crucial X9 Pro vs Samsung T9 Portable SSD → Crucial X10 Pro Portable 4TB vs Samsung T9 Portable SSD →
Crucial X9 Pro vs Samsung T9 Portable 4TB → Crucial X10 Pro Portable 4TB vs Samsung T9 Portable 4TB →
Crucial X9 Pro vs Sabrent Rocket Nano V2 → Crucial X10 Pro Portable 4TB vs Sabrent Rocket Nano V2 →
Crucial X9 Pro vs Samsung T9 Portable 2TB → Crucial X10 Pro Portable 4TB vs Samsung T9 Portable 2TB →