Western Digital 4TB RED Hard Drive (WD40EFRX)

Released: 2013-01-01 | MSRP($): 129.99

The Western Digital RED line of Hard Drives is well known and well regarded. This is the 4TB version of their drive. Equipped with a 64MB cache and a 5400 RPM spindle speed. Are these the fastest drives? Of course not. They are designed for NAS enclosures and their main function is to store data for long amounts of time reliability. If you are watching the price of these you probably already know what you are looking for. If you are not sure what a Western Digital RED drive is used for then you are probably looking at the wrong product.

Western Digital WD40EFRX product image.

Price Tracking / History

Vendor Low Average High Current Price
Amazon $0.00 $49.00 $237.00
 
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Product Specifications

Options Western Digital Western Digital 4TB RED Hard Drive WD40EFRX
Basic Details
RAW Capacity4000
Form Factor3.5
Advanced FormatYes
Warranty36
Drive ClassNAS
Performance Data
Drive RPM5400
RAM Cache64
Max Read Rate150
Max Write Rate
Flash Cache0
Power Details
12VDC1.75
Read / Write4.5
Idle3.3
Standby / Sleep.4
Physical Dimensions
Height26.1
Width101.6
Length147
Weight1.5
Environmental Specifications
RoHS CompliantYes
Operating Temperature Minimum0
Operating Temperature Maximum60
Non-operating Temperature Minimum-40
Non-operating Temperature Maximum70
Shock Operating (read / write)30
Shock Operating (read)65
Shock Non-Operating 250

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