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Portable SSDs

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OWC Envoy Pro FX Portable 4TB vs Silicon Power PC60 Portable 1TB — Which Portable SSD Is Faster & Better Value?

Compare OWC Envoy Pro FX Portable 4TB and Silicon Power PC60 Portable 1TB 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 →

Silicon Power

Silicon Power PC60 Portable 1TB
7.3/10

A budget 1050-class Gen 2 portable -- one of the cheapest brand-name 1TB Gen 2 SSDs in retail. Plastic body, gray aesthetic, no IP rating. Real value is cost-per-TB, not build quality or sustained performance.

1000 MB/s read
Budget pricing
Compact form factor
Check on Amazon →

Spec Comparison

Spec
OWC Envoy Pro FX Portable 4TB
Silicon Power PC60 Portable 1TB
Read Speed
2.8 GB/s ✓
1.0 GB/s
Write Speed
2.8 GB/s ✓
900 MB/s
Capacity
4 TB ✓
1 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB ✓
600 TB
Warranty
3 Years
3 Years
Score
8.9/10 ✓
7.3/10
Total Wins
5 wins
0 wins

Frequently Asked Questions

Which is better, OWC Envoy Pro FX Portable 4TB or Silicon Power PC60 Portable 1TB?
The OWC Envoy Pro FX Portable 4TB scores 8.9/10 compared to 7.3/10 for the Silicon Power PC60 Portable 1TB. 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 Silicon Power PC60 Portable 1TB?
The key differences: The OWC Envoy Pro FX Portable 4TB offers 2,800 MB/s reads vs 1,000 MB/s for the Silicon Power PC60 Portable 1TB. Capacity options differ: OWC Envoy Pro FX Portable 4TB is 4TB while Silicon Power PC60 Portable 1TB is 1TB. The OWC Envoy Pro FX Portable 4TB uses Thunderbolt 3 while the Silicon Power PC60 Portable 1TB uses USB 3.2 Gen 2.
Which is faster, OWC Envoy Pro FX Portable 4TB or Silicon Power PC60 Portable 1TB?
The OWC Envoy Pro FX Portable 4TB is faster with 2,800 MB/s read speeds compared to 1,000 MB/s for the Silicon Power PC60 Portable 1TB. That's a 180% speed advantage.
Which has better value, OWC Envoy Pro FX Portable 4TB or Silicon Power PC60 Portable 1TB?
The OWC Envoy Pro FX Portable 4TB scores higher (8.9 vs 7.3/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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