Western Digital WD_BLACK SN8100 NVMe Internal SSD (M.2 2280)

Capacity

Price

$439.99

Per TB$220.00

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Reasons to buy

  • PCIe Gen5 NVMe with Western Digital-rated sequential reads up to 14,900 MB/s on all documented capacities.
  • Capacity ladder from 1TB to 8TB for large game libraries, AI datasets, or 4K editing projects on one stick.
  • Published endurance up to 4,800 TBW on the 8TB SKU, strong for a client-focused gaming SSD line.
  • TCG Opal 2.02 support plus SanDisk Dashboard and Acronis migration tools on supported Windows hosts.
  • Five-year limited warranty with TBW limits spelled out in Western Digital consumer documentation.

Reasons to avoid

  • High street pricing versus PCIe Gen4 flagships that already saturate most game and OS load times.
  • Requires a Gen5-capable CPU and M.2 routing to justify the cost; Gen4-only boards cap throughput.
  • Bare X0M models need your own heatsink plan because Gen5 thermals climb under sustained writes.
  • 8TB pricing and double-sided height can be awkward in laptops or tight console M.2 bays.
Western Digital WD_BLACK SN8100 NVMe Internal SSD (M.2 2280) (2 TB) — product photo
2 TB

Specifications

series
WD_BLACK SN8100
interface
PCIe 5.0 x4 (NVMe 2.0)
mtbf hours
1750000
form factor
M.2 2280
manufacturer
Western Digital
warranty notes
Five-year limited warranty or maximum TBW, whichever occurs first; confirm regional terms on Western Digital or SanDisk support.
warranty years
5

Researched and maintained by Hard Drive Prices Editorial Team. · Updated June 5, 2026

User ratings

  • Amazon
    4.8(936)

What you're getting

The WD_BLACK SN8100 is a PCIe Gen5 x4 NVMe M.2 2280 solid-state drive built for gaming PCs, creative workstations, and hosts that can use the latest client storage bandwidth. Western Digital and SanDisk publish sequential read speeds up to 14,900 MB/s on every capacity in this bare X0M line, with write peaks that depend on the SKU you choose.

These retail models ship without a factory heatsink (suffix X0M). Western Digital also sells separate XHM heatsink bundles on some capacities. The family spans 1TB through 8TB on TLC 3D CBA NAND with onboard DRAM, a Silicon Motion SM2508 controller, and NVMe 2.0. SanDisk Dashboard on Windows covers health monitoring, firmware checks, and optional game tuning, while Acronis True Image for SanDisk supports migration on supported hosts.

Endurance is expressed in terabytes written (TBW) and scales with capacity: 600 TBW at 1TB, 1,200 TBW at 2TB, 2,400 TBW at 4TB, and 4,800 TBW at 8TB in Western Digital's published specification tables. Warranty coverage is five years or until the TBW limit is reached, whichever comes first, with regional terms on Western Digital or SanDisk support.

Host compatibility still matters. You need a motherboard M.2 slot wired for PCIe Gen5 x4 to approach the headline sequential figures, though the drive remains backward compatible with Gen4 and Gen3 links at lower throughput. Plan active or passive cooling for sustained Gen5 writes, and confirm slot length and height on 8TB models because the largest SKU is a double-sided module.

Buying context

Typical value (not live pricing)

Gen5 flagship SSDs carry a steep per-terabyte premium, especially at 1TB where absolute cart prices often land near $260 to $440 depending on the retailer. Costs per terabyte usually improve when you step up to 2TB or 4TB, while the 8TB SKU remains a specialty purchase above $1,800 on many storefronts. Re-check live pricing before checkout because Amazon and etailers move these parts quickly during sales.

Where this line often shows up

  • Primary game libraries on Windows desktops with a PCIe Gen5 M.2 slot and adequate cooling.
  • 4K or 8K video editing scratch disks when paired with slower bulk HDD or NAS archives.
  • AI and machine-learning workstations loading large models from fast local storage.
  • Enthusiast builds upgrading from first-gen PCIe Gen4 boot drives that already feel fast in games.
  • Compact ATX towers that can fit a bare 2280 module with a motherboard-supplied Gen5 heatsink.

Features

  • PCIe Gen5 x4 NVMe 2.0: M.2 2280 drive on PCIe 5.0 x4 with backward compatibility to earlier PCIe generations at reduced speed.

  • Read headroom: Up to 14,900 MB/s sequential read on 1TB through 8TB models in Western Digital specification tables.

  • Write tiers: 1TB peaks at 11,000 MB/s sequential write; 2TB and 4TB list up to 14,000 MB/s; 8TB lists up to 13,200 MB/s.

  • TLC 3D CBA NAND: SanDisk TLC 3D CBA NAND with DRAM cache and Silicon Motion SM2508 controller on published tear-downs.

  • Random IOPS: Up to 2.3M random read and 2.4M random write on 2TB and 4TB SKUs per vendor tables.

  • SanDisk software bundle: SanDisk Dashboard for health and firmware plus Acronis True Image for SanDisk migration on Windows.