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WD Red WD40EFRX - hard drive - 4 TB - SATA 6Gb/s

Mfg. Part: WD40EFRX|CDW Part: 3123305|UNSPSC: 43201803
  • Hard drive
  • 4 TB
  • internal
  • 3.5"
  • SATA 6Gb/s
  • buffer: 64 MB
  • for My Cloud EX2; EX4
Availability:In Stock
Ships same day if ordered before 4pm CT
$199.99Advertised Price
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Product Overview
Main Features
  • Hard drive
  • 4 TB
  • internal
  • 3.5"
  • SATA 6Gb/s
  • buffer: 64 MB
  • for My Cloud EX2; EX4
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.

Technical Specifications
Specifications are provided by the manufacturer. Refer to the manufacturer for an explanation of the print speed and other ratings.
Bay Required
Form Factor: 3.5" x 1/3H
Form Factor (metric): 8.9 cm x 1/3H
Total Qty: 1
Type: Internal

Environmental Parameters
Max Operating Temperature: 158 °F
Min Operating Temperature: 32 °F
Shock Tolerance Operating: 65 G @ 2 ms
Shock Tolerance Storage: 250 G @ 2 ms
Sound Emission: 25 dBA

Header
Brand: WD
Compatibility: Mac , PC
Manufacturer: Western Digital Retail
Model: WD40EFRX
Packaged Quantity: 1
Product Line: WD Red

Interface Provided
Connector Type: 7 pin Serial ATA
Qty: 1
Storage Interface: Serial ATA-600

Miscellaneous
Compliant Standards: RoHS
MTBF: 1,000,000 hour(s)

Service
Support Details Full Contract Period: 3 years
Support Details Type: Limited warranty

Storage
Type: Hard drive

Storage Hard Drive
Capacity: 4 TB
Features: 3D Active Balance Plus , Advanced Format technology , IntelliPower , NAS compatible , NASware technology

Dimensions & Weight
Depth: 5.8 in
Height: 1 in
Weight: 24 oz
Width: 4 in

Service & Support
Type: 3 years warranty

Hard Drive
Buffer Size: 64 MB
Compliant Standards: S.M.A.R.T.
Data Transfer Rate: 600 MBps
Form Factor: 3.5" x 1/3H
Form Factor (metric): 8.9 cm x 1/3H
Form Factor (Short): 3.5"
Form Factor (Short) (metric): 8.9 cm
Hard Drive Type: Internal hard drive
Interface: Serial ATA-600
Internal Data Rate: 150 MBps
Non-Recoverable Errors: 1 per 10^14
Start Stop Cycles: 600,000
Storage Interface: Serial ATA-600

Power Consumption
Mode: Active
Value: 4.5 Watt



Mode: Idle
Value: 0.4 Watt

Product Reviews
WD Red WD40EFRX - hard drive - 4 TB - SATA-600 4.5 5 2 2
Great value We replaced some WD Black 2TB drives with these 4TB Red models in our NAS. No performance degradation has been seen. December 4, 2013
Good Drives. Time will tell about reliability! I used 4 of these in a Netgear NAS box for backup purposes, so no live critical data. So far they have been humming along fine with no failures. They seem to be quiet, cool and so far a very reasonable investment.I prefer to buy drives at CDW vs. the other places due to packaging alone. I have not had a DOA from them yet. November 13, 2013
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7/31/2014 2:36:12 PM
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