Western Digital Blue 4TB WD40EZRZ Hard Disk

Western Digital Blue 4TB 3.5" 5400 RPM SATA 6 Gb/s 64MB WD40EZRZ

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In Stock	In Stock	$89.99 +Free shipping	+Free	Buy
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(Used from $109.99) Last updated 10 minutes ago.

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Options (8)

	1TB 2.5" Mobile Drive HDD - 5400 RPM Class $44.99
	1TB 3.5" Desktop HDD - 5400 RPM Class $19.99
	1TB 3.5" Desktop HDD - 7200 RPM Class $34.95
	2TB 2.5" Mobile Drive HDD - 5400 RPM Class $59.99
	2TB 3.5" Desktop HDD - 5400 RPM Class $32.49
	3TB 3.5" Desktop HDD - 5400 RPM Class $59.99
	6TB 3.5" Desktop HDD - 5400 RPM Class $94.99
	500GB 3.5" Desktop HDD - 5400 RPM Class $34.99

IntelliSeek: Calculates optimum seek speeds to lower power consumption, noise and vibration.
Data LifeGuard: Advanced algorithms monitor your drive continuously so it stays in optimum health.
NoTouch Ramp Load Technology: Safely positions the recording head off the disk surface to protect your data.
2-year manufacturer limited warranty
Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary.
Ships in WD-certified box for safe transit during shipping

Western Digital Blue 4TB WD40EZRZ image 1

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Western Digital Blue 4TB WD40EZRZ image 4

Western Digital Blue 4TB WD40EZRZ image 5

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Specifications Overview

Model	WD40EZRZ
Release Date	October 2015 * First availability for purchase, it may not correspond to the actual market launch date.
Capacity	4000 GB
Cache	64MB
RPM	5400
Interface	SATA 6 Gb/s
Form Factor	3.5"

Western Digital Blue 4TB WD40EZRZ Performance comparison with similar Hard Disk Drives

(Higher is better)

Pangoly Performance

Sequential read/write speed, Random 4K read/write speed

Seagate IronWolf 2TB NAS ST2000VN004 (41st)		102%
Seagate IronWolf 3TB NAS ST3000VN007 (41st)		102%
WD Black 1TB WD1003FZEX (47th)		101%
Seagate BarraCuda 500GB ST500DM009 (47th)		101%
WD RE 3TB WD3000FYYZ (47th)		101%
WD Purple 6TB WD60PURZ (47th)		101%
Seagate SkyHawk 2TB ST2000VX008 (51st)		~
Western Digital Black 4TB (51st)		~
Seagate 10TB BarraCuda Pro 7200RPM (51st)		~
Toshiba 3TB PH3300U-1I72 (51st)		~
Western Digital Blue 4TB WD40EZRZ (51st)		100%
Seagate IronWolf 1TB NAS ST1000VN002 (56th)		98%
Toshiba P300 500GB (57th)		97%
Western Digital Red 8TB NAS (57th)		97%
Western Digital Red 6TB NAS (57th)		97%
Western Digital Blue 6TB (60th)		96%
Seagate Barracuda 4TB (60th)		96%
Western Digital Caviar Green 5TB (60th)		96%
Seagate SkyHawk 1TB ST1000VX005 (60th)		96%
Seagate 3TB ST3000VN000 (60th)		96%
Western Digital 500GB WD Black (65th)		95%

View chart ►

Description

General

Interface

SATA 6Gb/s
Buffer Size

64 MB
Weight

23.98 oz
Manufacturer

Western Digital Corp.

Interface Provided

Qty

1
Storage Interface

Serial ATA-600

Hard Drive

Form Factor

3.5" x 1/3H
Spindle Speed

5400 rpm
Features

Advanced Format technology, Data Lifeguard, IntelliSeek, NoTouch ramp load technology
Hard Drive Type

internal hard drive
Form Factor (Short)

3.5"
Form Factor (metric)

8.9 cm x 1/3H
Form Factor (Short) (metric)

8.9 cm
Storage Interface

Serial ATA-600
Interface

Serial ATA-600
Data Transfer Rate

600 MBps
Internal Data Rate

150 MBps
Buffer Size

64 MB
Non-Recoverable Errors

1 per 10^14
Load / Unload Cycles

300,000