Overview

  • Speed up your projects
    Accelerate your AI-enabled workflow by loading assets quicker with PCIe Gen 4.0 read speeds up to 7,100 MB/s, 30% faster than our prior generation.
  • Create and store more
    Make more room for your masterpieces with capacities from 500GB to up to 2TB on M.2 2280 deploying next generation Sandisk 3D CBA NAND technology.
  • Work faster, wait less
    Copy large files or project folders in blistering speeds thanks to our Sandisk nCache 4.0 technology.
  • Create confidently
    Your new drive comes with a 5-year limited warranty, giving you peace of mind that your hard work isn’t wasted.
  • Free Acronis True Image software
    Download Acronis True Image for Sandisk data migration software to transfer your files to your new SSD.
  • Monitor your new drive
    Monitor your SSD’s performance and check for updates with the downloadable Sandisk Dashboard application.

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Specifications

Capacity & configuration

Storage Capacity
2000GB, 4000GB
Storage Drive Type
SSD

Dimensions & weight

Product Name
WD Blue SN5100 2TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops'
Product Compatibility
Desktop computers
Product Height
0.09 inches
Product Width
0.87 inches
Product Weight
0.02 ounces

Features

Brand
WD
Maximum Read Speed
7100 megabytes per second
Maximum Write Speed
6700 megabytes per second
SSD Endurance
900 terabytes
Internal Or External
Internal
Form Factor
M.2 2280
Interface(s)
PCIe Gen 4 x4
Usage
Everyday computing
UPC
619659222833, 619659222826

Power & warranty

Model Number
WDBS4F0020BNC-WRSN
Warranty - Parts
5 years
Warranty - Labor
5 years

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

Customer reviews

Write a review
DANIELPAug 19, 2026 · Verified purchase ★★★★★

Performing well after 4 months - I bought this to replace a failed SSD (just over 2 years in use and not a WD). It's been in service for 4 months, so far, with no issues. I've never had a reason not to trust Western Digital drives.

WILLIAMATJul 17, 2026 · Verified purchase ★★★★☆

2TB SSD - This SSD seems to work well and is fast transferring files. I recommend the purchase at the $300 price point.

CurioByteJul 16, 2026 · Verified purchase ★★★★★

Fast, reliable storage for big projects - Bought this as a secondary drive for game development — my Unreal Engine 5 project and asset libraries live on it. Gen 4 speeds make a real difference loading large projects and migrating assets, and it's been completely stable since day one. 2TB fills up slower than you'd think until you start working with high-res textures and marketplace bundles, so the capacity is well worth it. Runs cool, sips power, and the 5-year warranty is a nice safety net. Solid drive that just does its job.

LiamNJul 3, 2026 · Verified purchase ★★★★★

Great SSD - Bought for a friend's birthday. Works great, no heating issues or slow load times.

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Questions & answers

Ask a question

Email [email protected] or call (888) 419-6820 during business hours.

Free U.S. shippingOn every order. Leaves our store in 1–2 business days, arrives in 3–5 business days.
Free returns for 30 daysNo restocking fee. We email you a prepaid return label.
We can install it tooOptional in-home delivery, installation and haul-away on large appliances.
Talk to our team(888) 419-6820 · Mon–Sat