Samsung T9 Portable SSD 4TB vs SanDisk Extreme Pro Portable SSD V2 4TB
We compare the Samsung T9 Portable SSD 4TB and SanDisk Extreme Pro Portable SSD V2 4TB head-to-head on performance, features, value, and more. Here's which one wins.
Samsung T9 Portable SSD 4TB
Scored 9.2/10 in our testing
Samsung T9 Portable SSD 4TB
Best 4TB portable SSD with fastest USB transfer speeds
SanDisk Extreme Pro Portable SSD V2 4TB
Best rugged 4TB portable SSD for outdoor and field use
Score Breakdown
| Samsung T9 Portable SSD 4TB | Category | SanDisk Extreme Pro Portable SSD V2 4TB |
|---|---|---|
| 9.5/10 ✓ | Performance | 9/10 |
| 9/10 | Features | ✓ 9.2/10 |
| 9.2/10 | Ease of Use | ✓ 9.5/10 |
| 8.5/10 ✓ | Value | 8.3/10 |
| 9.2/10 ✓ | Overall | 9/10 |
Specs Comparison
| Samsung T9 Portable SSD 4TB | Spec | SanDisk Extreme Pro Portable SSD V2 4TB |
|---|---|---|
| 4TB | Capacity | 4TB |
| USB 3.2 Gen 2x2 (20Gbps) | Interface | USB 3.2 Gen 2 (10Gbps) |
| Up to 2,000 MB/s read & write | Speed | Up to 2,000 MB/s read |
| IP65 dust/water resistant, 3m drop | Durability | IP55, 3m drop, forged aluminum |
Samsung T9 Portable SSD 4TB
Pros
- + 2,000 MB/s via USB 3.2 Gen 2x2 — fastest USB SSD
- + IP65 dust and water resistant
- + Samsung 5-year warranty and reliability track record
Cons
- − Requires USB 3.2 Gen 2x2 port for full speed
- − Larger and heavier than previous T7 generation
- − Premium pricing at 4TB capacity
SanDisk Extreme Pro Portable SSD V2 4TB
Pros
- + Forged aluminum core prevents thermal throttling
- + Carabiner loop for field attachment
- + 2,000 MB/s read speeds
Cons
- − USB 3.2 Gen 2 — write speeds cap around 1,000 MB/s
- − IP55 — less water protection than Samsung T9
- − Higher price per TB than Samsung
Our Verdict
Based on our scoring, the Samsung T9 Portable SSD 4TB comes out on top with an overall score of 9.2/10. The Samsung T9 4TB is the fastest USB-based portable SSD available, reaching 2,000 MB/s via USB 3.2 Gen 2x2. That is fast enough to edit 4K video directly from the drive. IP65 rating protects against dust and water jets. Samsung's 5-year warranty and proven reliability make it the safest choice for critical data.
Buy the Samsung T9 Portable SSD 4TB on AmazonRead the full Best Portable SSDs 4TB 2026 guide for complete reviews of all 3 products.
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