DatacenterDisk

WD 3.84TB NVMe SSD - Live Prices

1 drives tracked. Updated about once a day.

Best $/TB
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Drives
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Interface
NVMe

WD 3.84TB NVMe - should you buy?

WD Ultrastar DC SN655 3.84TB delivers 6,800MB/s read throughput for cloud scale-out deployments. 1 DWPD endurance, U.3 form factor. From competitive prices.

Condition
0 of 0 part numbers

    No seller we track has a WD 3.84TB NVMe drive in stock right now. That describes today's listings only - it says nothing about whether these models are discontinued. The tracked listings above return here when stock does.

    In stock now: other 3.84TB NVMe drives

    3 in-stock listings · Live prices; the cheapest offer per drive. · ranked by live cost per tb, refreshed about once a day

    DriveCapacityInterfaceRecordingCondition$/TBPrice
    Samsung PM9A3 3.84TB M.2 NVMe3.84TBNVMe-PCIe4—NEW$466.15$1790Buy on Amazon
    Micron 7450 PRO 3.84TB U.3
    MTFDKCC3T8TFS
    		3.84TBNVMe-PCIe4TLCREFURB$518.23$1990Buy on Amazon
    Micron 7600 PRO 3.84TB U.2 PCIe5
    MTFDLAL3T8THG
    		3.84TBNVMe-PCIe5TLCNEW$676.82$2599Buy on Amazon

    Guides for this capacity: the SSD price outlook · fill a NAS at today's prices

    Drive Specifications

    Other WD NVMe capacities

    0.5TB1TB1.6TB3.84TB7.68TB15.36TB

    Other brands at 3.84TB NVMe

    KioxiaMicronSamsungSeagateWD

    Frequently Asked Questions

    0 listings, 0 in stock. 0 of the in-stock offers are new; the rest are used or recertified, labelled per row.

    Use Case Scenarios

    🗄️
    OLTP Database Primary Storage
    PostgreSQL, MySQL or Oracle requiring low latency and high IOPS.
    ✓ Excellent fit
    NVMe delivers sub-200μs latency vs 5ms for HDD — a 25x improvement that directly reduces query response times. At 1 DWPD verify your daily write volume stays within endurance limits.
    🤖
    AI/ML Training & Inference
    GPU server loading training datasets or serving inference at high throughput.
    ✓ Excellent fit
    NVMe at 6,900MB/s eliminates storage bottlenecks when loading datasets to GPU memory. Consider multiple drives for larger datasets.
    💾
    Bulk Cold Data Archive
    Storing large volumes of infrequently accessed data.
    ✗ Not ideal
    At ~$150/TB, NVMe costs 10x more than enterprise HDD for cold data. Unless you need fast retrieval, HDDs or LTO tape are far more cost-effective.

    Maintenance & Troubleshooting

    Maintenance Checklist

    On installUpdate drive firmware
    Check manufacturer website for latest firmware. Enterprise SSDs receive updates that fix performance and reliability issues.
    On installEnable power loss protection verification
    Enterprise NVMe drives have onboard capacitors for power loss protection. Verify in drive logs after first power cycle.
    MonthlyCheck SMART/NVMe health attributes
    Run nvme smart-log /dev/nvme0 (Linux). Monitor: Media_Errors, Available_Spare, Percentage_Used.
    MonthlyMonitor write endurance consumption
    Track Percentage_Used SMART attribute. At 80%+ consider planning replacement. At 3.84TB and 1 DWPD you have 7,176,192GB lifetime writes.
    QuarterlyReview error logs in server BMC
    Check iDRAC, iLO or IPMI logs for NVMe errors, PCIe link speed downgrades, or unexpected resets.

    Troubleshooting Guide

    Cause: PCIe slot not initialized, missing NVMe driver, BIOS not updated, or U.2 cable issue.
    Fix: Check BIOS for NVMe in PCIe enumeration. Update server firmware. Reseat U.2 cable. Verify PCIe bifurcation if using adapter. Test in another slot.