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Portable SSDs

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Crucial X9 Pro vs LaCie Rugged SSD Pro Portable 4TB

Compare Crucial X9 Pro and LaCie Rugged SSD 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
Check on Amazon →
Our Pick

LaCie

LaCie Rugged SSD Pro Portable 4TB
9.2/10

A 4TB Thunderbolt 3 portable in the iconic LaCie rugged orange body - one-of-one at this capacity/speed tier. Largely without competitor at 4TB Thunderbolt 3 + IP67 = niche product, premium pricing pairs the niche.

Thunderbolt 3 + 4TB + IP67
5-year Rescue
3-meter drop + 1-ton crush
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Spec Comparison

Spec
Crucial X9 Pro
LaCie Rugged SSD Pro Portable 4TB
Read Speed
1.1 GB/s
2.7 GB/s ✓
Write Speed
1.0 GB/s
1.9 GB/s ✓
Capacity
1 TB
4 TB ✓
Interface
USB 3.2 Gen 2
Thunderbolt 3
Endurance (TBW)
440 TB
2,400 TB ✓
Warranty
3 Years
5 Years ✓
Score
8.9/10
9.2/10 ✓
Total Wins
0 wins
6 wins

Frequently Asked Questions

Which is better, Crucial X9 Pro or LaCie Rugged SSD Pro Portable 4TB?
The LaCie Rugged SSD Pro Portable 4TB scores 9.2/10 compared to 8.9/10 for the Crucial X9 Pro. Our expert analysis favors the LaCie Rugged SSD Pro Portable 4TB for its superior speed.
What's the difference between Crucial X9 Pro and LaCie Rugged SSD Pro Portable 4TB?
The key differences: The Crucial X9 Pro offers 1,050 MB/s reads vs 2,700 MB/s for the LaCie Rugged SSD Pro Portable 4TB. Capacity options differ: Crucial X9 Pro is 1TB while LaCie Rugged SSD Pro Portable 4TB is 4TB. The Crucial X9 Pro uses USB 3.2 Gen 2 while the LaCie Rugged SSD Pro Portable 4TB uses Thunderbolt 3.
Which is faster, Crucial X9 Pro or LaCie Rugged SSD Pro Portable 4TB?
The LaCie Rugged SSD Pro Portable 4TB is faster with 2,700 MB/s read speeds compared to 1,050 MB/s for the Crucial X9 Pro. That's a 157% speed advantage.
Which has better value, Crucial X9 Pro or LaCie Rugged SSD Pro Portable 4TB?
The LaCie Rugged SSD Pro Portable 4TB scores higher (9.2 vs 8.9/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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