FEATURES

COOL AND QUIET.
WD GreenPower Technology yields lower operating temperatures for increased reliability and low acoustics perfect for ultra-quiet PCs and external drives.

REDUCED POWER CONSUMPTION.
Best-in-class power management technology delivers significant power savings and solid performance.

ECO-CONSCIOUS.
WD Green drives are innovatively designed and manufactured with lead-free, conflict-free and halogen-free materials to help ensure a sustainable future.
WD?S COMMITMENT TO SUSTAINABILITY.

WD's green initiative goes even further beyond the product level, focusing on recycling and improving the cleanliness of the air, water and land.
LEADING THE WAY TO GREEN HARD DRIVES.

WD led the industry in creating a new category of hard drives that use less power and helps to reduce the world's energy demands one computer user at a time. With over 100 million WD Green drives sold* customers using WD Green drives have saved the planet over 466 million kwh of power ? nearly equaling the annual power production of a single coal power plant!

*Data reflects approximate drives sold as of June 2012.
HALOGEN FREE.

In addition to being RoHS compliant, all WD Green drives are lead and halogen free, resulting in less pollutants getting into our environment.
REDUCED RARE EARTHS DEPENDENCY.

WD?s next-generation WD Green hard drives are built using less rare earth minerals.
CONFLICT-FREE MATERIALS.

As a leader in hard drive manufacturing, WD proudly guarantees our hard drives are built with 100% conflict-free raw materials.
INTELLISEEK.

Calculates optimum seek speeds to lower power consumption, noise and vibration.
NOTOUCH RAMP LOAD TECHNOLOGY.

The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.
UPGRADING YOUR DRIVE IS EASY.

WD Acronis TrueImage, available as a free download on the WD Support website, enables you to copy all your data to a new drive so you don't have to reinstall your operating system to get all the benefits of a new drive.
THE WD ADVANTAGE.

WD puts our products through extensive Functional Integrity Testing (F.I.T) prior to any product launch. This testing ensures our products consistently meet the highest quality and reliability standards of the WD brand. WD also has a detailed Knowledge Base with more than 1,000 helpful articles as well as helpful software and utilities. Our customer support lines have longer operational hours to ensure you get the help you need when you need it. Our toll-free customer support lines are here to help or you can access our WD Support site for additional details.
RECOMMENDED USE.

WD Green hard drives are tested and recommended for use in PCs as secondary storage, external enclosures and other applications that require cool and quiet operation.*
Brand
WD
Series
Green
Model
WD40EZRX
Packaging
Bare Drive

Performance
Interface
SATA 6.0Gb/s
Capacity
4TB
RPM
IntelliPower
Cache
64MB

Physical Spec
Form Factor
3.5"

Features
Features
Cool and quiet
-WD GreenPower Technology yields lower operating temperatures for increased reliability and low acoustics, perfect for ultra-quiet PCs and external drives.

Reduced power consumption
-Best-in-class power management technology delivers significant power savings and solid performance.

Innovative design
-WD Green drives are innovatively designed and manufactured with lead-free, conflict-free and halogen-free materials.

IntelliSeek
-Calculates optimum seek speeds to lower power consumption, noise and vibration.

NoTouch Ramp Load technology
-The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.