38

Western Digital Red 4 TB Internal HDD

Mfg. Part: WD40EFRX | CDW Part: 3123305 | UNSPSC: 43201803
$149.99Advertised Price
Close

Have leasing questions? Let us know how can we help.

Note: Leasing is available to businesses only. Leasing is not available to individuals.
800.800.4239
Mon-Fri 7am-7:30pm CT
Availability:In Stock
Ships today if ordered within 10 hrs 59 mins
304
  • Hard drive
  • 4 TB
  • internal
  • 3.5"
  • SATA 6Gb/s
  • buffer: 64 MB
  • for My Cloud EX2; EX4
View More
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: 149 °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
Model: WD40EFRX
Packaged Quantity: 1
Product Line: WD Red NAS Hard Drive

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 , Native Command Queuing (NCQ)

Dimensions & Weight
Depth: 5.8 in
Height: 1 in
Weight: 23.98 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
Load Unload Cycles: 600,000
Non-Recoverable Errors: 1 per 10^14
Spindle Speed: 5400 rpm
Storage Interface: Serial ATA-600

Power Consumption
Mode: Read
Value: 4.5 Watt



Mode: Write



Mode: Idle
Value: 3.3 Watt



Mode: Sleep
Value: 0.4 Watt

Product Reviews
Western Digital Red 4 TB Internal HDD is rated 4.8 out of 5 by 13.
Rated 4 out of 5 by from Solid drive for NAS storage This drive replaced a 1-year-old drive in a RAID NAS box. I hope this one lasts longer than the original. Seems good so far.
Date published: 2017-05-17
Rated 5 out of 5 by from Excellent External Drive Use: Synology RackStations NASExcellent DrivesHave been using these drives for awhile now(few years)with no failures to date.I would definitely recommend these for a NAS. Thank YouRick
Date published: 2016-11-17
Rated 5 out of 5 by from Good reliable drives I've never had one of these drives fail on me. I most often use them in large RAID configs in our NAS hardware.
Date published: 2016-08-25
Rated 5 out of 5 by from They work like they should These plug in and worked just fine, no failed drive and no DOA, of course a drive can always fail but these are good
Date published: 2016-02-10
Rated 5 out of 5 by from Great Drive for NAS We use the WD Red drives in all of our NAS deployments. Drives have been extremely reliable.
Date published: 2016-01-27
Rated 5 out of 5 by from Good drive Expansive drive, but it worth it.Great drive. I would recommended.
Date published: 2016-01-13
Rated 5 out of 5 by from AWESOME PRODUCT We have been updating our back up systems and are using these drives in our NAZ Box! Great choice!
Date published: 2015-12-16
Rated 5 out of 5 by from Great drives Nice and not too expensive 4TB drive. Used for QNAP
Date published: 2015-06-03
  • y_2017, m_5, d_25, h_18
  • bvseo_bulk, prod_bvrr, vn_bulk_1.0.0-hotfix-1
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_13
  • loc_en_US, sid_3123305, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=FEATURED, direction=DESCENDING)]
  • clientName_cdw
 
Adding to Cart...
5/29/2017 5:01:44 AM
^ Back to Top

Maximum 300 characters
An account manager will email you within one business day to confirm your request.

Your Quote has been submitted

What Happens Next? A confirmation email is on its way. Within one business day, you will be contacted by an Account Manager to finalize your quote.

Error!

Something went wrong.

Please try again later.