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Western Digital WD40EZAX 3.5in hard drive
Western Digital

Western Digital WD Blue 4TB 5400 RPM CMR SATA 6Gb/s 3.5in Desktop HDD

MPNWD40EZAX

Western Digital WD Blue 4TB (WD40EZAX) is a 3.5in desktop hard drive using CMR recording, spinning at 5400 RPM with a 256MB cache and SATA 6Gb/s.

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Western Digital WD Blue 4TB 5400 RPM CMR SATA 6Gb/s 3.5in Desktop HDD

WD40EZAX · Refurbished · 1 year warranty

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Overview

Desktop users who want plenty of storage at a modest spindle speed often go for the WD Blue range. The WD40EZAX is the 4TB 3.5in LFF model. It records with CMR, turns at 5400 RPM and has a 256MB cache, with a maximum transfer rate of 180 MB/s over SATA 6Gb/s.

CMR recording is worth noting for anyone who writes large files often, as it is the conventional method rather than shingled recording. Common uses are a second data drive in an office PC, a home-office archive or local storage for a design workstation.

The drive is rated for 300,000 load/unload cycles. It uses 4.7 W in read/write, 3.1 W at idle and 0.3 W in standby, weighs 0.57 kg and operates from 0 to 60°C.

New, Refurbished and Used stock can be requested. New and Refurbished include a choice of 1 year or 3 years of warranty, while Used units carry 90 days.

Specifications

Western Digital WD40EZAX specifications
Manufacturer part numberWD40EZAX
BrandWestern Digital
Cache256 MB
InterfaceSATA
Weight0.57 kg
Drive typeHDD
Form factor3.5in LFF
Power idle w3.1
Product lineWD Blue
Capacity4TB
Warranty years2
Power standby w0.3
Operating temp c0 to 60
Load unload cycles300,000
Power read write w4.7
Interface speed6 Gb/s
Recording technologyCMR
Rotational speed5,400 rpm
Max transfer rate mbps180

Specifications from the manufacturer's datasheet ↗

FAQ

Does the WD40EZAX use CMR or SMR?
CMR.
What rotational speed does the WD Blue 4TB run at?
5400 RPM.
How large is the cache on the WD40EZAX?
256MB.
What warranty comes with each condition?
New and Refurbished: 1 year or 3 years. Used: 90 days.

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