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Portable SSDs

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SanDisk Extreme Pro Portable 4TB vs Samsung T9 Portable 4TB

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

Frequently Asked Questions

Which is better, SanDisk Extreme Pro Portable 4TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB scores 9.6/10 compared to 9.3/10 for the SanDisk Extreme Pro Portable 4TB. Our expert analysis favors the Samsung T9 Portable 4TB for its superior speed.
What's the difference between SanDisk Extreme Pro Portable 4TB and Samsung T9 Portable 4TB?
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 4TB. Capacity options differ: SanDisk Extreme Pro Portable 4TB is 4TB while Samsung T9 Portable 4TB is 4TB. The SanDisk Extreme Pro Portable 4TB uses USB 3.2 Gen 2 while the Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2.
Which is faster, SanDisk Extreme Pro Portable 4TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB 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 4TB?
The Samsung T9 Portable 4TB 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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