Western Digital WD40EFRX
Model

Brand
WD

Series
Red

Model
WD40EFRX

Performance

Interface
SATA 6.0Gb/s

Capacity
4TB

RPM
IntelliPower

Cache
64MB

Physical Spec

Form Factor
3.5"

Features

Features
Next generation experience
- Every component, line of code, and product decision was built on our passion and determination to deliver the best NAS experience. The next generation of WD Red hard drives delivers on this promise with massive capacity and NASware 2.0, which further improves drive reliability and protects your data in the event of a power loss or disruption.

Exclusive NASware 2.0 technology
- Our exclusive technology, NASware 2.0, makes WD Red thrive in the demanding small-NAS environment. By adding WD Red to your NAS system, not only is everything more efficient and reliable, you get to enjoy a REDvolutionary NAS experience.

Longer warranty coverage
- The WD Red drive is backed by a 3-year limited warranty for greater peace of mind and a longer warranty coverage that matches most NAS system manufacturers.

Need help?We offer premium support
- Every WD Red hard drive comes with our world-class professional support services including a premium dedicated 24/7 support line (available in English, other regional support hours vary) and a 3-year limited warranty.