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WD Blue SN5100 500GB NVMe SSD - M.2 2280, PCIe Gen 4.0, Internal Solid State Drive - Read Speeds Up to 6,600MB/s, Upgrade Storage for PC/Laptops - WDS500G5B0E

WD Blue SN5100 500GB NVMe SSD (WDS500G5B0E)

Bottom line: The WD Blue SN5100 500GB NVMe SSD ($127.90 on Amazon as of 2026-10-06): Sequential reads up to 6,600 MB/s on the 500GB model over PCIe Gen 4.0; main trade-off: 500GB fills quickly with modern game installs and large media libraries.

$127.90

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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

  • ✓ Sequential reads up to 6,600 MB/s on the 500GB model over PCIe Gen 4.0
  • ✓ Standard M.2 2280 size, the common NVMe format in desktops and laptops
  • ✓ Sandisk nCache 4.0 built to speed up large file and project-folder copies
  • ✓ Backed by a Sandisk 5-year limited warranty
  • ✓ Free Acronis True Image for Sandisk download for moving your files

Cons

  • ✗ 500GB fills quickly with modern game installs and large media libraries
  • ✗ Slower than the 1TB and 2TB SN5100 models, which are rated up to 7,100 MB/s
  • ✗ Full Gen 4 speed needs a PCIe 4.0 M.2 slot; older Gen 3 slots cap throughput
  • ✗ Listing gives no write speed or endurance (TBW) rating

Manufacturer description

The WD Blue SN5100 500GB NVMe SSD (model WDS500G5B0E) brings PCIe Gen 4.0 speed to your desktop or laptop in the standard M.2 2280 form factor. This 500GB model is rated for sequential reads up to 6,600 MB/s, so you spend less time waiting on boot screens, level loads and app launches. The SN5100 uses Sandisk 3D CBA NAND and Sandisk nCache 4.0 caching technology. Both are designed to keep large file copies and project-folder transfers moving quickly. If you need more headroom, the SN5100 line goes up to 2TB, and the 1TB and 2TB models are rated for up to 7,100 MB/s. To move to the new drive…

SpecPicks Verdict

SpecPicks scored WD Blue SN5100 500GB NVMe SSD using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Compare with similarly-priced alternatives in the ssds & storage category before committing. 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

Will the WD Blue SN5100 500GB fit in my laptop or desktop?

It is an M.2 2280 NVMe drive using PCIe Gen 4.0. It fits any system with a free M.2 2280 slot that supports NVMe. Check your motherboard or laptop manual to confirm the slot supports NVMe and not just SATA M.2.

How fast is the 500GB version compared to the larger SN5100 models?

The 500GB model (WDS500G5B0E) is rated for sequential reads up to 6,600 MB/s. The 1TB and 2TB SN5100 models are rated for up to 7,100 MB/s, which the manufacturer says is 30% faster than its prior generation.

What warranty comes with the WD Blue SN5100?

The drive is covered by Sandisk's 5-year limited warranty. Check the product listing or the manufacturer's site for the full terms and conditions.

How do I move my files from my old drive to the SN5100?

You can download Acronis True Image for Sandisk, the manufacturer's data migration software, and use it to transfer your files to the new drive. The software is a download and is not preloaded on the SSD.

What NAND and caching technology does the SN5100 use?

The SN5100 is built with Sandisk 3D CBA NAND and uses Sandisk nCache 4.0 caching technology. nCache 4.0 is designed to speed up copying large files and project folders.

Key Features

  • SPEED UP PROJECTS. Accelerate your AI-enabled workflow with PCIe Gen 4.0 speeds up to 7,100 MB/s,[2] (1TB-2TB[1] models) 30% faster than our prior generation.[3]
  • CREATE AND STORE MORE. Make more room for your masterpieces with capacities up to 2TB[1] on M.2 2280 with Sandisk 3D CBA NAND technology.
  • WORK FASTER. Copy large files or project folders in blistering speeds thanks to our Sandisk nCache 4.0 technology.
  • CREATE CONFIDENTLY. Know your new SSD is covered with Sandisk’s 5-year limited warranty.[6]
  • ACRONIS TRUE IMAGE DOWNLOAD. Download Acronis True Image for Sandisk data migration software to transfer your files to your new drive.[4]

Full Specifications

BrandSandisk
ColorBlue
Model NameWD Blue SN5100 NVMe SSD
Read Speed6600 megabytes_per_second
Unit Count1 Count
Form FactorM.2 2280
Model NumberWDS500G5B0E
CompatibilityPC
Built-In MediaWD Blue SN5100 NVMe Internal SSD
Hard-Drive Size500 GB
Mfr Part NumberWDS500G5B0E
Number of Items1
Special FeatureBackward Compatible
Hardware PlatformPC
Installation TypeInternal Hard Drive
Compatible DevicesDesktop, Laptop
Data Transfer Rate6600 megabytes_per_second
Enclosure Material3D Nand
Additional FeaturesBackward Compatible
Hard Disk InterfacePCIE x 4
Full listing titleWD Blue SN5100 500GB NVMe SSD - M.2 2280, PCIe Gen 4.0, Internal Solid State Drive - Read Speeds Up to 6,600MB/s, Upgrade Storage for PC/Laptops - WDS500G5B0E

Ready to buy?

WD Blue SN5100 500GB NVMe SSD - M.2 2280, PCIe Gen 4.0, Internal Solid State Drive - Read Speeds Up to 6,600MB/s, Upgrade Storage for PC/Laptops - WDS500G5B0E 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 — $127.90

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

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