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Portable SSDs

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Crucial X8 Portable 1TB vs OWC Envoy Pro FX Portable 4TB — Which Portable SSD Is Faster & Better Value?

Compare Crucial X8 Portable 1TB and OWC Envoy Pro FX 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The X8 is the previous-gen Crucial premium portable — superseded by the X9 Pro but often available at discounts.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

OWC

OWC Envoy Pro FX Portable 4TB
8.9/10

4TB of Thunderbolt 3 in an aluminum unibody barely larger than the 1TB. The Envoy Pro FX 4TB is a niche-of-one -- buyers typically pay the premium for 6K/8K video editing workflows where sustained 2800 MB/s transfers plus 4TB of room actually matter.

Thunderbolt 3 + 4TB
Aluminum unibody
2800 MB/s sustained
Check on Amazon →

Spec Comparison

Spec
Crucial X8 Portable 1TB
OWC Envoy Pro FX Portable 4TB
Read Speed
1.1 GB/s
2.8 GB/s ✓
Write Speed
1.0 GB/s
2.8 GB/s ✓
Capacity
1 TB
4 TB ✓
Interface
USB 3.2 Gen 2
Thunderbolt 3
Endurance (TBW)
600 TB
2,400 TB ✓
Warranty
3 Years
3 Years
Score
8.3/10
8.9/10 ✓
Total Wins
0 wins
5 wins

Frequently Asked Questions

Which is better, Crucial X8 Portable 1TB or OWC Envoy Pro FX Portable 4TB?
The OWC Envoy Pro FX Portable 4TB scores 8.9/10 compared to 8.3/10 for the Crucial X8 Portable 1TB. Our expert analysis favors the OWC Envoy Pro FX Portable 4TB for its superior speed.
What's the difference between Crucial X8 Portable 1TB and OWC Envoy Pro FX Portable 4TB?
The key differences: The Crucial X8 Portable 1TB offers 1,050 MB/s reads vs 2,800 MB/s for the OWC Envoy Pro FX Portable 4TB. Capacity options differ: Crucial X8 Portable 1TB is 1TB while OWC Envoy Pro FX Portable 4TB is 4TB. The Crucial X8 Portable 1TB uses USB 3.2 Gen 2 while the OWC Envoy Pro FX Portable 4TB uses Thunderbolt 3.
Which is faster, Crucial X8 Portable 1TB or OWC Envoy Pro FX Portable 4TB?
The OWC Envoy Pro FX Portable 4TB is faster with 2,800 MB/s read speeds compared to 1,050 MB/s for the Crucial X8 Portable 1TB. That's a 167% speed advantage.
Which has better value, Crucial X8 Portable 1TB or OWC Envoy Pro FX Portable 4TB?
The OWC Envoy Pro FX Portable 4TB scores higher (8.9 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 → OWC Envoy Pro FX Portable 4TB vs Samsung T9 Portable SSD →
Crucial X8 Portable 1TB vs Samsung T9 Portable 4TB → OWC Envoy Pro FX Portable 4TB vs Samsung T9 Portable 4TB →
Crucial X8 Portable 1TB vs Crucial X10 Pro Portable 4TB → OWC Envoy Pro FX Portable 4TB vs Crucial X10 Pro Portable 4TB →
Crucial X8 Portable 1TB vs Sabrent Rocket Nano V2 → OWC Envoy Pro FX Portable 4TB vs Sabrent Rocket Nano V2 →