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External SSDs

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Lexar SL100 Pro 1TB vs Samsung T9 Portable 4TB — Which External SSD Is Faster & Better Value?

Compare Lexar SL100 Pro 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 1TB
7.5/10

A 950 MB/s Gen 2 portable in a brushed-aluminum case the size of a credit card. The SL100 Pro is one of the smallest 1TB Gen 2 SSDs at retail — buy it for the form factor, not the rated speed (which undershoots the Gen 2 ceiling).

Brushed-aluminum case
950 MB/s read
Tiny credit-card footprint
Check on Amazon →
Our Pick

Samsung

Samsung T9 Portable 4TB
9.3/10

Blazing-fast 4TB external SSD with USB 3.2 Gen 2x2 speeds up to 2000MB/s. Perfect for content creators with massive file libraries.

4TB capacity with 2000MB/s read speeds
USB 3.2 Gen 2x2 interface
Sleek all-aluminum build
Check on Amazon →

Spec Comparison

Spec
Lexar SL100 Pro 1TB
Samsung T9 Portable 4TB
Read Speed
950 MB/s
2.0 GB/s ✓
Write Speed
950 MB/s
1.9 GB/s ✓
Capacity
1 TB
4 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
3 Years
5 Years ✓
Score
7.5/10
9.3/10 ✓
Total Wins
0 wins
6 wins

Frequently Asked Questions

Which is better, Lexar SL100 Pro 1TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB scores 9.3/10 compared to 7.5/10 for the Lexar SL100 Pro 1TB. Our expert analysis favors the Samsung T9 Portable 4TB for its superior speed.
What's the difference between Lexar SL100 Pro 1TB and Samsung T9 Portable 4TB?
The key differences: The Lexar SL100 Pro 1TB offers 950 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable 4TB. Capacity options differ: Lexar SL100 Pro 1TB is 1TB while Samsung T9 Portable 4TB is 4TB. The Lexar SL100 Pro 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 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 1TB. That's a 111% speed advantage.
Which has better value, Lexar SL100 Pro 1TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB scores higher (9.3 vs 7.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Lexar SL100 Pro 1TB vs Samsung T9 2TB → Samsung T9 Portable 4TB vs Samsung T9 2TB →
Lexar SL100 Pro 1TB vs Samsung T9 Portable SSD → Samsung T9 Portable 4TB vs Samsung T9 Portable SSD →
Lexar SL100 Pro 1TB vs Crucial X10 Pro 2TB → Samsung T9 Portable 4TB vs Crucial X10 Pro 2TB →
Lexar SL100 Pro 1TB vs Samsung T7 4TB → Samsung T9 Portable 4TB vs Samsung T7 4TB →