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    HEAD-TO-HEAD COMPARISON

    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.

    Our Pick

    Samsung T9 Portable SSD 4TB

    Scored 9.2/10 in our testing

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    Best Overall

    Samsung T9 Portable SSD 4TB

    Best 4TB portable SSD with fastest USB transfer speeds

    Overall:9.2/10Winner
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    Best Rugged

    SanDisk Extreme Pro Portable SSD V2 4TB

    Best rugged 4TB portable SSD for outdoor and field use

    Overall:9/10
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    Score Breakdown

    Samsung T9 Portable SSD 4TBCategorySanDisk Extreme Pro Portable SSD V2 4TB
    9.5/10 ✓Performance9/10
    9/10 Features✓ 9.2/10
    9.2/10 Ease of Use✓ 9.5/10
    8.5/10 ✓Value8.3/10
    9.2/10 ✓Overall9/10

    Specs Comparison

    Samsung T9 Portable SSD 4TBSpecSanDisk Extreme Pro Portable SSD V2 4TB
    4TBCapacity4TB
    USB 3.2 Gen 2x2 (20Gbps)InterfaceUSB 3.2 Gen 2 (10Gbps)
    Up to 2,000 MB/s read & writeSpeedUp to 2,000 MB/s read
    IP65 dust/water resistant, 3m dropDurabilityIP55, 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.

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    Read the full Best Portable SSDs 4TB 2026 guide for complete reviews of all 3 products.

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