WD Blue 3.5" 4TB, 5400 RPM, 256MB, SATA III Hard Drive

The WD Blue WD40EZAX is a 3.5-inch internal hard drive engineered for desktop computer systems. It delivers 4TB of storage capacity, providing space for operating systems, applications, and large data collections such as photos and videos. Utilizing a standard SATA III 6 Gbit/s interface, this drive ensures straightforward integration into most modern PC builds. It is intended for general-purpose computing and storage expansion roles within a desktop environment.

This model operates at a 5400 RPM spindle speed, a design choice that balances performance with reduced power consumption and lower acoustic output. A 256 MB cache assists in accelerating data access for frequently used files and supports sequential write speeds of up to 180 MB/s. The drive is equipped with S.M.A.R.T. technology for monitoring its internal health status. It is specified for standard desktop workloads and is not intended for continuous 24/7 operation in server or NAS environments.

• 4000 GB storage capacity
• 3.5-inch form factor
• Serial ATA III interface at 6 Gbit/s
• 5400 RPM spindle speed
• 256 MB storage drive buffer size
• Sequential write speed up to 180 MB/s
• Average latency of 4.16 ms
• Idle power consumption of 3.1 W
• 23 dB idle noise level
• Supports S.M.A.R.T. monitoring
• Dimensions: 101.6 x 147 x 26.1 mm
• Weight: 570 g