Name: WD Red NAS Hard Drive WD40EFAX - Hard drive - 4 TB - internal - 3.5" - SATA 6Gb/s - 5400 rpm - buffer: 256 MB
Brand: WD
SKU: 5620397
Price: 99.99 GBP
Availability: OutOfStock

WD Red NAS Hard Drive WD40EFAX - Hard drive - 4 TB - internal - 3.5" - SATA 6Gb/s - 5400 rpm - buffer: 256 MB

VendorWD
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Description

WD's exclusive NASware technology,built into every WD Red hard drive,improves NAS storage performance by reducing common hard drive concerns in NAS systems including concerns for things like compatibility,integration,upgradeability,reliability and cost of ownership that are experienced with a hard drive designed for desktop computers.

Main Specifications

Product Description	WD Red NAS Hard Drive WD40EFAX - hard drive - 4 TB - SATA 6Gb/s
Type	Hard drive - internal - Native Command Queuing (NCQ),Advanced Format technology,NAS compatible,NASware technology,24x7 availability
Capacity	4 TB
Form Factor	3.5"
Interface	SATA 6Gb/s
Data Transfer Rate	600 MBps
Buffer Size	256 MB
Spindle Speed	5400 rpm
Features	Native Command Queuing (NCQ),Advanced Format technology,NAS compatible,NASware technology,24x7 availability
Dimensions (WxDxH)	101.6 mm x 147 mm x 26.1 mm
Weight	570 g
Manufacturer Warranty	3-year warranty

Product Features

Beyond desktop with NASware
WD Red drives include WD's exclusive NASware technology that addresses many of the challenges a traditional desktop hard drive has in a NAS system. WD works directly with the partners to test compatibility and reduce thecustomer's guess work as to which drive is right for their NAS system. Designed to deliver a better customer experience in small NAS systems,this innovative firmware finely balances the most important attributes of performance,power,and reliability in multiple drive environments. The unique algorithms in NASware optimize power and performance without compromising on the attributes that NAS-system owner's value.
Important features for system integrators
In addition to features that make WD Red drives perfect for populating or upgrading NAS systems,NASware brings features that system integrators need when building specialized NAS systems.
Save power and money
NASware optimizes power use resulting in significant power savings and lower hard drive operating temperatures. This improves the overall reliability and performance of the drive and reduces the NAS cost of ownership.
Intelligent error recovery
With built in intelligent error recovery controls,NASware also prevents hard drives from being dropped off the RAID due to extended error recovery. This provides more availability and less down time rebuilding the RAID.
Command completion
To further improve reliability,NASware minimizes the data corruption or loss in the event of an unexpected power loss by completing the command in process before shutting down.

Extended Specification collapse

General
Device Type	Hard drive - internal
Capacity	4 TB
Form Factor	3.5"
Interface	SATA 6Gb/s
Buffer Size	256 MB
Features	Native Command Queuing (NCQ),Advanced Format technology,NAS compatible,NASware technology,24x7 availability
Width	101.6 mm
Depth	147 mm
Height	26.1 mm
Weight	570 g

Performance
Drive Transfer Rate	600 MBps (external)
Internal Data Rate	150 MBps
Spindle Speed	5400 rpm

Reliability
MTBF	1,000,000 hours
24x7 Operation	Yes
Non-Recoverable Errors	1 per 10^14
Load / Unload Cycles	600,000

Expansion &Connectivity
Interfaces	1 x SATA 6 Gb/s
Compatible Bay	3.5"

Power
Power Consumption	4.5 Watt (read) 4.5 Watt (write) 3.3 Watt (idle) 0.4 Watt (sleep) 0.4 Watt (standby)

Miscellaneous
Compliant Standards	RoHS 2011/65/EU

Manufacturer Warranty
Service &Support	Limited warranty - 3 years

Environmental Parameters
Min Operating Temperature	0 °C
Max Operating Temperature	65 °C
Min Storage Temperature	-40 °C
Max Storage Temperature	70 °C
Shock Tolerance (operating)	30 g @ 2 ms
Shock Tolerance (non-operating)	250 g @ 2 ms

WD RED NAS HARD DRIVE

Power Your NAS with WD Red^™

There’s a WD Red drive for every compatible NAS system to help fulfill your data storage needs. With drives up to 12TB, WD Red offers a wide array of solutions for customers looking to build a high performing NAS storage solution. Built for single-bay to 8-bay NAS systems, WD Red packs the power to store your precious data in one powerhouse unit. With WD Red, you’re ready for what’s next.

WD Red^™ for Personal or Home Office

Stream, backup, share, and organize your digital content at home with a NAS and WD Red^™ drives designed to effortlessly share content with the devices in your personal or home office environments. NASware 3.0 technology increases your drives’ compatibility with your existing network and devices, TV, stereo, and more. Live in a connected world.

Exclusive NASware 3.0

Not just any drive will do. Get up to 48TB of capacity in your 8-bay system and with WD’s exclusive NASware 3.0 technology, you can optimize each and every drive. Built into every WD Red^™ hard drive, NASware 3.0’s advanced technology improves your system’s storage performance by increasing compatibility, integration, upgradeability, and reliability.

MEDIA

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BUILT FOR OPTIMUM NAS COMPATIBILITY

Designed for personal and home office NAS systems, our unique algorithm balances performance and reliability in NAS and RAID environments. WD Red^™ drives are optimized for environments where idle time is available to perform necessary background operations. To ensure optimal performance, always check compatibility with your system. WD Red^™ drives may not be suitable for higher workload environments. For ZFS file systems and overall NAS system compatibility, we highly recommend WD Red^™ Plus drives, which are optimized for higher workloads.

24/7 ENVIRONMENT

Since your NAS system is always on, a reliable drive is essential. With an MTBF of up to 1 million hours, the WD Red^™ drive is engineered to tackle 24x7 environments.

PREMIUM SUPPORT AND A 3-YEAR LIMITED WARRANTY

Confidently upgrade your NAS performance with the assurance of a 3-year limited warranty, coupled with world-class support services included with every WD Red^™ drive.

DESKTOP DRIVES VS. WD RED^™

Compatibility: Unlike desktop drives, these drives are specifically tested for compatibility with NAS systems for optimum performance.

Reliability: The always-on environment of a NAS or RAID is a hot one, and desktop drives aren't typically designed and tested under those conditions like WD Red^™ is.

Error Recovery Controls: WD Red^™ NAS hard drives are specifically designed with RAID error recovery control to help reduce failures within the NAS system.

Noise and Vibration Protection: Designed to operate solo, desktop drives typically offer little or no protection from the noise and vibration present in a multi-drive system. WD Red^™ drives are designed to thrive in multi-bay NAS system environments.