As an Amazon Associate I earn from qualifying purchases. We may earn a commission from qualifying purchases made through links on this page. Prices and availability are subject to change. We are reader-supported and independent — our rankings are based on an objective scoring rubric, not sponsorship.

Lexar SL660 Portable 2TB vs Samsung T9 Portable 4TB

Compare Lexar SL660 Portable 2TB and Samsung T9 Portable 4TB side by side. Both are 2TB 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 2TB

8.2/10

The 2TB SL660 doubles SLC cache budget over the 1TB. RGB and aluminum body preserved -- a competitive Gen 2x2 2TB at moderate pricing, comparable with the Kingston XS2000 2TB and Patriot Evlvr 2TB.

Gen 2x2 2000 MB/s

2TB storage

Aluminum body

Check on Amazon →

Our Pick

Samsung

Samsung T9 Portable 4TB

9.6/10

The 4TB T9 portable is genuinely rare — most 4TB external SSDs cap at Gen 2 (10Gbps) speeds. The T9 4TB holds 2000 MB/s sustained reads AND writes at 4TB. The right drive for working video pros who genuinely travel with 4TB of working RAW footage and need Gen 2x2 link speeds.

Gen 2x2 + 4TB

2400 TBW endurance

5-year warranty

Check on Amazon →

Spec Comparison

Spec

Lexar SL660 Portable 2TB

Samsung T9 Portable 4TB

Read Speed

2.0 GB/s

Write Speed

2.0 GB/s

Capacity

2 TB

4 TB ✓

Interface

USB 3.2 Gen 2x2

Endurance (TBW)

1,200 TB

2,400 TB ✓

Warranty

3 Years

5 Years ✓

Score

8.2/10

9.6/10 ✓

Total Wins

0 wins

4 wins

Frequently Asked Questions

Which is better, Lexar SL660 Portable 2TB or Samsung T9 Portable 4TB?

The Samsung T9 Portable 4TB scores 9.6/10 compared to 8.2/10 for the Lexar SL660 Portable 2TB. Our expert analysis favors the Samsung T9 Portable 4TB for its superior value.

What's the difference between Lexar SL660 Portable 2TB and Samsung T9 Portable 4TB?

The key differences: The Lexar SL660 Portable 2TB offers 2,000 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable 4TB. Capacity options differ: Lexar SL660 Portable 2TB is 2TB while Samsung T9 Portable 4TB is 4TB. The Lexar SL660 Portable 2TB uses USB 3.2 Gen 2x2 while the Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2.

Which is faster, Lexar SL660 Portable 2TB or Samsung T9 Portable 4TB?

Both drives offer the same 2,000 MB/s read speeds.

Which has better value, Lexar SL660 Portable 2TB or Samsung T9 Portable 4TB?

The Samsung T9 Portable 4TB scores higher (9.6 vs 8.2/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Lexar SL660 Portable 2TB vs Samsung T9 Portable SSD → Samsung T9 Portable 4TB vs Samsung T9 Portable SSD →

Lexar SL660 Portable 2TB vs Crucial X10 Pro Portable 4TB → Samsung T9 Portable 4TB vs Crucial X10 Pro Portable 4TB →

Lexar SL660 Portable 2TB vs Sabrent Rocket Nano V2 → Samsung T9 Portable 4TB vs Sabrent Rocket Nano V2 →

Lexar SL660 Portable 2TB vs Samsung T9 Portable 2TB → Samsung T9 Portable 4TB vs Samsung T9 Portable 2TB →