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Portable SSDs

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Lexar SL660 Portable 1TB vs OWC Envoy Pro FX Portable 1TB

Compare Lexar SL660 Portable 1TB and OWC Envoy Pro FX Portable 1TB side by side. Both are 1TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Lexar

Lexar SL660 Portable 1TB
8.1/10

A 1TB Gen 2x2 portable with an aluminum body and an RGB-lit Logo -- the RGB is divisive but the performance is real. Build quality distinguishes the SL660 from cheaper Gen 2x2 peers like the Patriot Evlvr.

Gen 2x2 2000/2000 MB/s
Aluminum body
3-year warranty
Check on Amazon →
Our Pick

OWC

OWC Envoy Pro FX Portable 1TB
8.7/10

A 2800 MB/s portable Thunderbolt 3 SSD in an aluminum unibody the size of an iPhone. The Envoy Pro FX is one of the cleanest portable Thunderbolt SSDs at the price tier -- nothing fancy, just speed and thermal management packed in a small aluminum case.

Thunderbolt 3 2800/2800 MB/s
Aluminum unibody heatsink
3-year warranty
Check on Amazon →

Spec Comparison

Spec
Lexar SL660 Portable 1TB
OWC Envoy Pro FX Portable 1TB
Read Speed
2.0 GB/s
2.8 GB/s ✓
Write Speed
2.0 GB/s
2.8 GB/s ✓
Capacity
1 TB
1 TB
Interface
USB 3.2 Gen 2x2
Thunderbolt 3
Endurance (TBW)
600 TB
600 TB
Warranty
3 Years
3 Years
Score
8.1/10
8.7/10 ✓
Total Wins
0 wins
3 wins

Frequently Asked Questions

Which is better, Lexar SL660 Portable 1TB or OWC Envoy Pro FX Portable 1TB?
The OWC Envoy Pro FX Portable 1TB scores 8.7/10 compared to 8.1/10 for the Lexar SL660 Portable 1TB. Our expert analysis favors the OWC Envoy Pro FX Portable 1TB for its superior speed.
What's the difference between Lexar SL660 Portable 1TB and OWC Envoy Pro FX Portable 1TB?
The key differences: The Lexar SL660 Portable 1TB offers 2,000 MB/s reads vs 2,800 MB/s for the OWC Envoy Pro FX Portable 1TB. Capacity options differ: Lexar SL660 Portable 1TB is 1TB while OWC Envoy Pro FX Portable 1TB is 1TB. The Lexar SL660 Portable 1TB uses USB 3.2 Gen 2x2 while the OWC Envoy Pro FX Portable 1TB uses Thunderbolt 3.
Which is faster, Lexar SL660 Portable 1TB or OWC Envoy Pro FX Portable 1TB?
The OWC Envoy Pro FX Portable 1TB is faster with 2,800 MB/s read speeds compared to 2,000 MB/s for the Lexar SL660 Portable 1TB. That's a 40% speed advantage.
Which has better value, Lexar SL660 Portable 1TB or OWC Envoy Pro FX Portable 1TB?
The OWC Envoy Pro FX Portable 1TB scores higher (8.7 vs 8.1/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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