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Portable SSDs

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Lexar SL100 Pro Portable 1TB vs Samsung T9 Portable 4TB

Compare Lexar SL100 Pro Portable 1TB and Samsung T9 Portable 4TB side by side. Both are 1TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Lexar

Lexar SL100 Pro Portable 1TB
7.5/10

A brushed-aluminum portable SSD the size of a credit card -- one of the smallest 1TB Gen 2 SSDs in retail. Buy it for the form factor; the 950 MB/s rating undershoots the full 1050 Gen 2 ceiling.

Brushed-aluminum case
950 MB/s read
Tiny credit-card footprint
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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
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Spec Comparison

Spec
Lexar SL100 Pro Portable 1TB
Samsung T9 Portable 4TB
Read Speed
950 MB/s
2.0 GB/s ✓
Write Speed
950 MB/s
2.0 GB/s ✓
Capacity
1 TB
4 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
600 TB
2,400 TB ✓
Warranty
3 Years
5 Years ✓
Score
7.5/10
9.6/10 ✓
Total Wins
0 wins
6 wins

Frequently Asked Questions

Which is better, Lexar SL100 Pro Portable 1TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB scores 9.6/10 compared to 7.5/10 for the Lexar SL100 Pro Portable 1TB. Our expert analysis favors the Samsung T9 Portable 4TB for its superior speed.
What's the difference between Lexar SL100 Pro Portable 1TB and Samsung T9 Portable 4TB?
The key differences: The Lexar SL100 Pro Portable 1TB offers 950 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable 4TB. Capacity options differ: Lexar SL100 Pro Portable 1TB is 1TB while Samsung T9 Portable 4TB is 4TB. The Lexar SL100 Pro Portable 1TB uses USB 3.2 Gen 2 while the Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2.
Which is faster, Lexar SL100 Pro Portable 1TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB is faster with 2,000 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro Portable 1TB. That's a 111% speed advantage.
Which has better value, Lexar SL100 Pro Portable 1TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB scores higher (9.6 vs 7.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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Lexar SL100 Pro Portable 1TB vs Samsung T9 Portable SSD → Samsung T9 Portable 4TB vs Samsung T9 Portable SSD →
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Lexar SL100 Pro Portable 1TB vs Samsung T9 Portable 2TB → Samsung T9 Portable 4TB vs Samsung T9 Portable 2TB →