WD Red WD40EFRX Internal Hard Drive (4TB)(SATA III)

EXPANDED SOLUTIONS

Our formula of success has led growth of WD Red into higher capacities and expansion into new 2.5-inch solutions. We now offer a broader, more comprehensive portfolio of NAS hard drives for our customers. It is not just about NAS drives, it is REDvolutionary.
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 power disruption.

EXPERIENCED IN NAS

In all of our cultures around the world, first impressions are what leave a mark. With superior technology that is driven to impress, WD Red is a reflection of the most extensive NAS partner compatibility-testing list that is available on the market . That means when you buy a NAS enclosure, you can trust that WD Red will be the most compatible drive available. Our pride is in our product and our vision is shared with our customers.
Data reflects products in production as of August 2013.
NAS FOR HOME

Take your connected home environment to the next level with a NAS system that is equipped with WD Red hard drives and enjoy streaming your media, backing up your computers, file sharing and managing your digital content faster and easier.
WD Red's NASware 2.0 experience with increased compatibility makes sharing from your mobile device, computer, TV, stereo and more an instant gratification. And with capacities now available in 4 TB, a 5-bay NAS system can hold close to 20 terabytes of data!
NAS FOR SMALL BUSINESS

Increase the efficiency and productivity of your small business with WD Red hard drives for your 1 to 5 bay NAS system. WD Red comes equipped with NASware 2.0, which increases system compatibility allowing for seamless integration with your existing network infrastructure. Add value to your business by enabling your employees to quickly share their files and back up folders reliably with WD Red NAS hard drives in your NAS solution.

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.

NAS COMPATIBILITY

Advanced firmware technology built into every WD Red drive, NASware 2.0 enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments.
THE SECRET IS THE NEXT-GENERATION TECHNOLOGY

WD's next generation NASware 2.0 technology improves NAS storage performance by reducing common hard drive concerns in NAS systems. This includes concerns for things like compatibility, integration, upgrade ability, reliability and cost of ownership that are experienced with a hard drive designed for desktop computers.
3D ACTIVE BALANCE PLUS

Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multi-drive system, reduce the hard drive life span, and degrade the performance over time.
ENHANCED RELIABILITY

Since your NAS system is always on, a highly reliable drive is essential. With a 35% MTBF improvement over standard desktop drives, the WD Red drive with NASware 2.0 is designed and manufactured to be a more reliable and robust solution.
THE RIGHT CHOICE

The right choice for, no other drive is designed specifically for home and small office NAS systems and PCs with RAID.

ENERGY EFFICIENT AND MONEY SAVING

We keep power consumption low, which keeps your NAS system happy, and your wallet too.

Reduce your electricity bill and carbon footprint with WD Red drives. Innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on 24x7 NAS environments.
LONGER WARRANTY COVERAGE

We keep power consumption low, which keeps your NAS system happy, and your wallet too.

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 and a 3-year limited warranty.
IDEAL FOR:

Specifically designed and tested for small office and home office, 1-5 bay NAS systems, small media servers and PCs with RAID.

General

Brand:	Western Digital
Package Dimensions:	155 x 105 x 30mm (L x W x T)
Categories:	Computers > Components > Hard Drives > Internal Drives > 3.5"
LSN:	XSL-9C8-9S5-1
Barcode:
Model Number:	WD40EFRX
Type:	Internal Hard Drive

Warranty

Warranty:

3 Years

Performance

Cache:	64MB
Capacity:	4TB
Controller:	SATA 6Gb/s

Interface

Interface:

SATA 6Gb/s

Physical Specification

Form Factor:

3.5"

Is the information for this product incomplete, wrong or inappropriate? Let us know about it.

Does this product have an incorrect or missing image? Send us a new image.

Is this product missing categories? Add more categories.

• Expanded NAS solutions
• Next generation experience-for home or small office network attached storage systems
• Premium dedicated 24/7 support line
• 3 year limited warranty

Review This Product

No reviews yet - be the first to create one!