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Portable SSDs

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OWC Envoy Pro FX Portable 4TB vs WD My Passport SSD Portable 4TB — Which Portable SSD Is Faster & Better Value?

Compare OWC Envoy Pro FX Portable 4TB and WD My Passport SSD Portable 4TB side by side. Both are 4TB Thunderbolt 3 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

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 →

Western Digital

WD My Passport SSD Portable 4TB
8.7/10

A 4TB My Passport SSD portable — same physical package as the 1TB/2TB but with the 4TB die stack. The biggest single-portable WD ships and one of the few 4TB portable SSDs at retail, period. Compares closely with the Samsung T7 4TB.

4TB slim form factor
2400 TBW endurance
AES hardware encryption
Check on Amazon →

Spec Comparison

Spec
OWC Envoy Pro FX Portable 4TB
WD My Passport SSD Portable 4TB
Read Speed
2.8 GB/s ✓
1.1 GB/s
Write Speed
2.8 GB/s ✓
1.0 GB/s
Capacity
4 TB
4 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB
2,400 TB
Warranty
3 Years
3 Years
Score
8.9/10 ✓
8.7/10
Total Wins
3 wins
0 wins

Frequently Asked Questions

Which is better, OWC Envoy Pro FX Portable 4TB or WD My Passport SSD Portable 4TB?
The OWC Envoy Pro FX Portable 4TB scores 8.9/10 compared to 8.7/10 for the WD My Passport SSD Portable 4TB. Our expert analysis favors the OWC Envoy Pro FX Portable 4TB for its superior speed.
What's the difference between OWC Envoy Pro FX Portable 4TB and WD My Passport SSD Portable 4TB?
The key differences: The OWC Envoy Pro FX Portable 4TB offers 2,800 MB/s reads vs 1,050 MB/s for the WD My Passport SSD Portable 4TB. Capacity options differ: OWC Envoy Pro FX Portable 4TB is 4TB while WD My Passport SSD Portable 4TB is 4TB. The OWC Envoy Pro FX Portable 4TB uses Thunderbolt 3 while the WD My Passport SSD Portable 4TB uses USB 3.2 Gen 2.
Which is faster, OWC Envoy Pro FX Portable 4TB or WD My Passport SSD 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 WD My Passport SSD Portable 4TB. That's a 167% speed advantage.
Which has better value, OWC Envoy Pro FX Portable 4TB or WD My Passport SSD Portable 4TB?
The OWC Envoy Pro FX Portable 4TB scores higher (8.9 vs 8.7/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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