WD Blue internal hard drives deliver reliability for office and web applications. They are ideal for use as primary drives in desktop PCs and for office applications. With a range of capacities and cache sizes, there’s a WD Blue internal hard drive that’s just right for you.

Technical Specifications

Hard Drive‎4 TB Mechanical Hard Disk
Brand‎Western Digital
Series‎WD Blue PC Hard Drive
Item model number‎WD40EZAZ
Hardware Platform‎PC
Item Weight‎0.704 ounces
Product Dimensions‎5.79 x 4 x 1.03 inches
Item Dimensions LxWxH‎5.79 x 4 x 1.03 inches
Hard Drive Interface‎Serial ATA-600
Hard Drive Rotational Speed‎5400 RPM
Batteries‎1 Lithium Ion batteries required.
Manufacturer‎Western Digital Technologies, Inc.
Language‎English, English, English, English, English
Country of Origin‎China
Date First Available‎June 23, 2020
Customer Reviews4.7 out of 5 stars 34,577 ratings 4.7 out of 5 stars
Best Sellers Rank#3 in Internal Hard Drives #61 in Computer Internal Components
Digital Storage Capacity4 TB
Hard Disk InterfaceSerial ATA-600
Connectivity TechnologySATA
BrandWestern Digital
Hard Disk Form Factor3.5 Inches
Hard Disk DescriptionMechanical Hard Disk
Compatible DevicesPC, Gaming Console, Desktop
Hard Disk Size4 TB
Hard Disk Rotational Speed5400 RPM