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WD_Black SN8100 1TB NVMe SSD - PCIe 5.0x4, M.2 2280, Up to 14,900MB/s Read Speed, up to 11,000MB/s Write Speed, Best for AI Applications, Gaming, and Video Editing - WDS100T1X0M
Sandisk

Sandisk WD_Black SN8100 1TB NVMe SSD (WDS100T1X0M)

Bottom line: The Sandisk WD_Black SN8100 1TB NVMe SSD ($244.99 on Amazon as of 2026-10-06): Up to 14,900MB/s sequential read, roughly 2x a maxed-out PCIe 4.0 NVMe drive; main trade-off: superseded by the Sandisk Optimus GX PRO 8100, so firmware support may wind down.

$244.99

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Up to 14,900MB/s sequential read, roughly 2x a maxed-out PCIe 4.0 NVMe drive
  • ✓ Averages 7.5W or under, over 100% better efficiency than Sandisk's Gen 4 drive
  • ✓ Standard M.2 2280 single-sided form factor fits most desktop boards and Gen 5 slots
  • ✓ Includes Sandisk Dashboard health monitoring plus Acronis True Image cloning

Cons

  • ✗ Superseded by the Sandisk Optimus GX PRO 8100, so firmware support may wind down
  • ✗ 11,000MB/s write on 1TB, below the 14,000MB/s quoted for 2TB-4TB models
  • ✗ 2,300,000+ IOPS random rating applies only to 2TB-4TB capacities
  • ✗ 1TB fills fast if you store AI models and a modern game library together

Manufacturer description

This product has been replaced by our latest generation. Please search for the SANDISK Optimus GX PRO 8100 PCIe 5.0 NVMe SSD. EXPERIENCE PCIe Gen 5: Drastically enhance your gaming and content creation experience with this PCIe Gen 5.0x4 NVMe M.2 SSD. BREAKNECK SPEEDS: Your drive reaches sequential read speeds up to an astonishing 14,900MB/s, sequential write speeds up to 14,000MB/s (2TB-4TB model), and over 2,300,000 IOPS (2TB-4TB Models) of random performance.

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SpecPicks Verdict

SpecPicks scored Sandisk WD_Black SN8100 1TB NVMe SSD using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Sandisk's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How fast is the WD_Black SN8100 1TB really?

Sandisk rates it up to 14,900MB/s sequential read and up to 11,000MB/s sequential write on the 1TB model. The higher 14,000MB/s write figure and the 2,300,000+ IOPS random rating apply to the 2TB-4TB capacities only.

Do I need a PCIe 5.0 motherboard to use it?

It is a PCIe 5.0 x4 M.2 2280 drive, so full rated speed requires a Gen 5 M.2 slot. NVMe drives are backward compatible with Gen 4 and Gen 3 slots, but throughput is capped by the slower link.

Is 1TB enough for gaming plus AI work?

Sandisk positions the SN8100 for game libraries, AI model storage and video editing, with capacities up to 8TB in the family. If you keep large local models alongside current games, look at the 2TB or 4TB versions, which also carry the faster write and IOPS ratings.

Does it run hot or need a heatsink?

Sandisk rates average operating power at 7.5W or under, over 100 percent more efficient than its PCIe Gen 4 drive. Many Gen 5 boards ship with an M.2 heatsink; check whether your listing includes one, since heatsink configurations vary by SKU.

Why does the listing say this drive was replaced?

Sandisk notes the SN8100 has been replaced by the Sandisk Optimus GX PRO 8100 PCIe 5.0 NVMe SSD. The SN8100 is still sold at retail, including the 1TB model, but check the product listing for current price, stock and warranty terms.

Key Features

  • This product has been replaced by our latest generation. Please search for the SANDISK Optimus GX PRO 8100 PCIe 5.0 NVMe SSD.
  • EXPERIENCE PCIe Gen 5: Drastically enhance your gaming and content creation experience with this PCIe Gen 5.0x4 NVMe M.2 SSD.
  • BREAKNECK SPEEDS: Your drive reaches sequential read speeds up to an astonishing 14,900MB/s, sequential write speeds up to 14,000MB/s (2TB-4TB model), and over 2,300,000 IOPS (2TB-4TB Models) of random performance.
  • AN INDUSTRY-LEADER IN POWER EFFICIENCY: Enjoy over 100% more power efficiency (1TB – 4TB models) than our PCIe Gen4 drive at an average operating power of 7.5W or under. Experience astonishing speeds without any added stress to your system.
  • ROOM FOR REVOLUTION: Hold your biggest projects and still have room for OS updates, models for AI-powered applications, and your game library thanks to immense capacities up to 8TB. SANDISK SOFTWARE: Help maximize your drive’s performance, monitor its health and keep it up to date with SANDISK Dashboard (Windows only). Plus, effortlessly migrate your data with Acronis True Image for Sandisk.
  • POWERED BY SANDISK: The WD_BLACK, WD Blue, and WD Green flash products are manufactured by Sandisk Technologies, Inc. or its affiliates and distributed under license from Western Digital Corporation.

Full Specifications

Size1TB
BrandSandisk
ColorBlack
ModelWDS100T1X0M
Warranty5 Year Limited
UnitCount1
ReleaseDate2025-05-13T00:00:01Z
ManufacturerSandisk Technologies, Inc.
ItemPartNumberWDS100T1X0M
Full listing titleWD_Black SN8100 1TB NVMe SSD - PCIe 5.0x4, M.2 2280, Up to 14,900MB/s Read Speed, up to 11,000MB/s Write Speed, Best for AI Applications, Gaming, and Video Editing - WDS100T1X0M

Ready to buy?

WD_Black SN8100 1TB NVMe SSD - PCIe 5.0x4, M.2 2280, Up to 14,900MB/s Read Speed, up to 11,000MB/s Write Speed, Best for AI Applications, Gaming, and Video Editing - WDS100T1X0M is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $244.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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WD_Black SN8100 1TB NVMe SSD - PCIe 5.0x4, M.2 2280, Up to 14,900MB/s Read Speed, up to 11,000MB/s Write Speed, Best for AI Applications, Gaming, and Video Editing - WDS100T1X0M
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