Brand: Western Digital · SKU: WD40EZAX · MPN: WD40EZAX · Category: Storage

The Western Digital WD Blue WD40EZAX is a 4TB 3.5 inch desktop hard drive with a 5400RPM spindle speed, designed for compatible PCs, desktop storage, backups, and everyday computing.
| Capacity | 4 TB |
|---|---|
| Interface | SATA 6 Gb/s |
| Cache Size | 256 MB |
| Disk Speed | 5400 RPM |
| Form Factor | 3.5 Inch |
| Data Transfer Rate | Up to 185 MB/s |
| Load/Unload Cycles | 300,000 |
| Recording Technology | CMR (Conventional Magnetic Recording) |
| Operating Temperature | 0°C to 60°C |
| Non-Operating Temperature | -40°C to 70°C |
| Warranty | 3-Year Warranty |
| Weight | 0.57 kg (1.26 lbs) |
| Dimensions | 147mm x 101.6mm x 26.1mm (5.79 x 4.00 x 1.03 inches) |
The Western Digital WD Blue 4TB WD40EZAX is a desktop class internal hard disk drive designed to provide high capacity storage for compatible desktop computers and general purpose storage applications. With 4TB of storage capacity, a 3.5 inch form factor, and a 5400RPM spindle speed, it can provide practical capacity for documents, multimedia files, applications, backups, and other personal or desktop data. As part of the WD Blue family, the drive is intended primarily for everyday desktop computing and general storage rather than specialized enterprise or continuous write workloads. Its large capacity makes it useful when additional storage is required for a desktop PC without moving to solid state storage.
Yes, this Western Digital WD Blue 4TB HDD WD40EZAX | 3.5 Inch Desktop Hard Drive 5400 RPM (WD40EZAX) is 100% genuine Western Digital hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Western Digital WD Blue 4TB HDD WD40EZAX | 3.5 Inch Desktop Hard Drive 5400 RPM includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the WD40EZAX.