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Portable SSDs

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SanDisk Extreme Pro Portable 4TB vs Samsung T9 Portable SSD

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

SanDisk

SanDisk Extreme Pro Portable 4TB
9.3/10

The 4TB Extreme Pro is the largest portable SSD in SanDisk's ruggedized line and a direct competitor to the Samsung T7 Shield 4TB. The 5-year warranty plus IP55 rubber armor are distinguishing factors vs other 4TB portable SSDs — most peers only offer 3.

4TB @ IP55 rugged
5-year warranty
Both cables in box
Check on Amazon →
Our Pick

Samsung

Samsung T9 Portable SSD
9.6/10

The fastest Samsung portable SSD with USB 3.2 Gen 2x2 interface. Up to 2GB/s sequential reads.

Fastest Samsung portable SSD
USB 3.2 Gen 2x2 support
5-year warranty
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Spec Comparison

Spec
SanDisk Extreme Pro Portable 4TB
Samsung T9 Portable SSD
Read Speed
1.1 GB/s
2.0 GB/s ✓
Write Speed
1.0 GB/s
1.9 GB/s ✓
Capacity
4 TB ✓
1 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
2,400 TB ✓
600 TB
Warranty
5 Years
5 Years
Score
9.3/10
9.6/10 ✓
Total Wins
2 wins
3 wins

Frequently Asked Questions

Which is better, SanDisk Extreme Pro Portable 4TB or Samsung T9 Portable SSD?
The Samsung T9 Portable SSD scores 9.6/10 compared to 9.3/10 for the SanDisk Extreme Pro Portable 4TB. Our expert analysis favors the Samsung T9 Portable SSD for its superior speed.
What's the difference between SanDisk Extreme Pro Portable 4TB and Samsung T9 Portable SSD?
The key differences: The SanDisk Extreme Pro Portable 4TB offers 1,050 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable SSD. Capacity options differ: SanDisk Extreme Pro Portable 4TB is 4TB while Samsung T9 Portable SSD is 1TB. The SanDisk Extreme Pro Portable 4TB uses USB 3.2 Gen 2 while the Samsung T9 Portable SSD uses USB 3.2 Gen 2x2.
Which is faster, SanDisk Extreme Pro Portable 4TB or Samsung T9 Portable SSD?
The Samsung T9 Portable SSD is faster with 2,000 MB/s read speeds compared to 1,050 MB/s for the SanDisk Extreme Pro Portable 4TB. That's a 90% speed advantage.
Which has better value, SanDisk Extreme Pro Portable 4TB or Samsung T9 Portable SSD?
The Samsung T9 Portable SSD scores higher (9.6 vs 9.3/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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SanDisk Extreme Pro Portable 4TB vs Samsung T9 Portable 2TB → Samsung T9 Portable SSD vs Samsung T9 Portable 2TB →