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Portable SSDs

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OWC Envoy Pro FX Portable 4TB vs SanDisk Extreme Pro Portable SSD

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

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 →
Our Pick

SanDisk

SanDisk Extreme Pro Portable SSD
9.4/10

Extreme speeds in a rugged, compact drive. IP55 water/dust resistance with a carabiner loop.

Excellent 2000MB/s read and write
IP55 water and dust resistance
5-year warranty
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Spec Comparison

Spec
OWC Envoy Pro FX Portable 4TB
SanDisk Extreme Pro Portable SSD
Read Speed
2.8 GB/s ✓
2.0 GB/s
Write Speed
2.8 GB/s ✓
2.0 GB/s
Capacity
4 TB ✓
1 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2x2
Endurance (TBW)
2,400 TB ✓
600 TB
Warranty
3 Years
5 Years ✓
Score
8.9/10
9.4/10 ✓
Total Wins
4 wins
2 wins

Frequently Asked Questions

Which is better, OWC Envoy Pro FX Portable 4TB or SanDisk Extreme Pro Portable SSD?
The SanDisk Extreme Pro Portable SSD scores 9.4/10 compared to 8.9/10 for the OWC Envoy Pro FX Portable 4TB. Our expert analysis favors the SanDisk Extreme Pro Portable SSD for its superior value.
What's the difference between OWC Envoy Pro FX Portable 4TB and SanDisk Extreme Pro Portable SSD?
The key differences: The OWC Envoy Pro FX Portable 4TB offers 2,800 MB/s reads vs 2,000 MB/s for the SanDisk Extreme Pro Portable SSD. Capacity options differ: OWC Envoy Pro FX Portable 4TB is 4TB while SanDisk Extreme Pro Portable SSD is 1TB. The OWC Envoy Pro FX Portable 4TB uses Thunderbolt 3 while the SanDisk Extreme Pro Portable SSD uses USB 3.2 Gen 2x2.
Which is faster, OWC Envoy Pro FX Portable 4TB or SanDisk Extreme Pro Portable SSD?
The OWC Envoy Pro FX Portable 4TB is faster with 2,800 MB/s read speeds compared to 2,000 MB/s for the SanDisk Extreme Pro Portable SSD. That's a 40% speed advantage.
Which has better value, OWC Envoy Pro FX Portable 4TB or SanDisk Extreme Pro Portable SSD?
The SanDisk Extreme Pro Portable SSD scores higher (9.4 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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