WD - NAS 4TB Internal SATA Hard Drive for Desktops

Add extra storage to your network attached storage with this Western Digital 4TB NAS hard drive. It is designed to cope with the demands placed on it by your NAS system, and it's extremely energy efficient to reduce your overall energy consumption. The Western Digital 4TB NAS hard drive seamlessly integrates with your system.
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.



Normal Wear & Tear • Power Surges

Plan Details

See All Plans
Protection Plan Options
Cardmember Offers

Complete Your Purchase

WD - NAS 4TB Internal SATA Hard Drive for Desktops - Larger Front
Item you are currently viewing
See details
Price for both items


What's Included

  • WD NAS 4TB Internal SATA Hard Drive for Desktops
  • Owner's manual

Ratings & Reviews

Overall Customer Rating:
100% of customers would recommend this product to a friend (12 out of 12)

Included Free

$20 TO SPEND OR 8x8 PHOTO BOOK - Shutterfly [Digital Download Add-On]
$20 TO SPEND OR 8x8 PHOTO BOOK - Shutterfly [Digital Download Add-On]
BestBuy.com account required. Instructions to redeem are usually e-mailed within 1 hr.

Product Features

4TB storage capacity

Offers ample space for videos, photos, documents and other data.

Serial ATA interface

Enables simple connection to a compatible network storage device with up to 5 bays.

Data transfer rates up to 6 Gbp

For quick response when updating files.

Exclusive NASWare™ technology

Enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments.

3D Active Balance Plus

Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability.

Enhanced reliability

35% MTBF improvement over standard desktop drives.

Overall Customer Rating

4.9 (12 Reviews)

Product Features Mentioned In Customer Reviews


Looks like there aren't enough negative mentions yet.

Product images, including color, may differ from actual product appearance.