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Portable SSDs

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Crucial X6 Portable 4TB vs OWC Envoy Pro FX Portable 2TB

Compare Crucial X6 Portable 4TB and OWC Envoy Pro FX Portable 2TB 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

OWC

OWC Envoy Pro FX Portable 2TB
8.8/10

The 2TB Envoy Pro FX keeps the small unibody of the 1TB but scales the die stack. Sustained writes on the 2TB stay pegged at 2800 MB/s past 500GB on a Thunderbolt 3 host.

Thunderbolt 3 2800/2800 MB/s
Sustained writes hold past 500GB
Aluminum unibody
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Spec Comparison

Spec
Crucial X6 Portable 4TB
OWC Envoy Pro FX Portable 2TB
Read Speed
800 MB/s
2.8 GB/s ✓
Write Speed
800 MB/s
2.8 GB/s ✓
Capacity
4 TB ✓
2 TB
Interface
USB 3.2 Gen 2
Thunderbolt 3
Endurance (TBW)
2,400 TB ✓
1,200 TB
Warranty
3 Years
3 Years
Score
8.0/10
8.8/10 ✓
Total Wins
2 wins
3 wins

Frequently Asked Questions

Which is better, Crucial X6 Portable 4TB or OWC Envoy Pro FX Portable 2TB?
The OWC Envoy Pro FX Portable 2TB scores 8.8/10 compared to 8.0/10 for the Crucial X6 Portable 4TB. Our expert analysis favors the OWC Envoy Pro FX Portable 2TB for its superior speed.
What's the difference between Crucial X6 Portable 4TB and OWC Envoy Pro FX Portable 2TB?
The key differences: The Crucial X6 Portable 4TB offers 800 MB/s reads vs 2,800 MB/s for the OWC Envoy Pro FX Portable 2TB. Capacity options differ: Crucial X6 Portable 4TB is 4TB while OWC Envoy Pro FX Portable 2TB is 2TB. The Crucial X6 Portable 4TB uses USB 3.2 Gen 2 while the OWC Envoy Pro FX Portable 2TB uses Thunderbolt 3.
Which is faster, Crucial X6 Portable 4TB or OWC Envoy Pro FX Portable 2TB?
The OWC Envoy Pro FX Portable 2TB is faster with 2,800 MB/s read speeds compared to 800 MB/s for the Crucial X6 Portable 4TB. That's a 250% speed advantage.
Which has better value, Crucial X6 Portable 4TB or OWC Envoy Pro FX Portable 2TB?
The OWC Envoy Pro FX Portable 2TB scores higher (8.8 vs 8.0/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

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Crucial X6 Portable 4TB vs Samsung T9 Portable 4TB → OWC Envoy Pro FX Portable 2TB vs Samsung T9 Portable 4TB →
Crucial X6 Portable 4TB vs Crucial X10 Pro Portable 4TB → OWC Envoy Pro FX Portable 2TB vs Crucial X10 Pro Portable 4TB →
Crucial X6 Portable 4TB vs Sabrent Rocket Nano V2 → OWC Envoy Pro FX Portable 2TB vs Sabrent Rocket Nano V2 →