Western Digital Caviar Green WD20EARS vs Comparable 3.5" SATA Hard Disks
Item 3542: Western Digital WD20EARS
Size2000 GB
Cache64 MB
RPM
Form Factor3.5"
InterfaceSATA
Speed3 Gb/s
Warranty3 year
WD20EARS Reviews4
$ 139.95
$ 139.99 + $7.86 shipping
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Seagate Barracuda Green ST2000DL003 SATA 6 Gb/s 64 2000 109.99 18.18
Seagate Barracuda ST320005N4A1AS-RK SATA 3 Gb/s 5900 32 2000 119.99 16.67
Western Digital Caviar Green WD25EZRX SATA 6 Gb/s 64 2500 151.00 16.56
Western Digital Caviar Green WD20EARX SATA 6 Gb/s 64 2000 129.99 15.39
Hitachi Deskstar 5K3000 HDS5C3020ALA632 SATA 6 Gb/s 32 2000 3 129.99 15.39
Western Digital Caviar Green WD20EARS SATA 3 Gb/s 64 2000 3 139.95 14.29
Western Digital Caviar Green WDBAAY0020HNC-NRSN SATA 3 Gb/s 32 2000 3 143.00 13.99
Samsung Spinpoint F4 HD204UI SATA 3 Gb/s 32 2000 159.99 12.50
Seagate Barracuda ST2000DM001 SATA 6 Gb/s 7200 64 2000 167.97 11.91
Hitachi Deskstar H3IK20003272SP SATA 3 Gb/s 7200 2000 193.75 10.32
Hitachi Deskstar 7K3000 HDS723020BLA642 SATA 6 Gb/s 7200 64 2000 3 219.99 9.09
Seagate Barracuda XT ST32000641AS SATA 6 Gb/s 7200 64 2000 223.85 8.93
Western Digital Caviar Black WDBAAZ0020HNC-NRSN SATA 7200 32 2000 3 229.99 8.70
Western Digital Caviar Black WD2002FAEX SATA 6 Gb/s 7200 64 2000 5 249.99 8.00
Seagate SV35 ST2000VX002 SATA 6 Gb/s 5900 64 2000 5 249.99 8.00
Western Digital Caviar Green WD20EADS SATA 3 Gb/s 32 2000 3 250.00 8.00
Seagate Barracuda LP ST32000542AS SATA 3 Gb/s 5900 32 2000 3 275.00 7.27
Western Digital Caviar Black WD2001FASS SATA 3 Gb/s 7200 64 2000 5 300.00 6.67
Seagate Barracuda XT ST320005N1A1AS-RK SATA 6 Gb/s 7200 64 2000 3 325.00 6.15
Toshiba MK2002TSKB SATA 3 Gb/s 7200 64 2000 369.99 5.41
Western Digital RE4-GP WD2002FYPS SATA 3 Gb/s 64 2000 5 379.99 5.26
Seagate Constellation ES ST32000644NS SATA 3 Gb/s 7200 64 2000 5 389.95 5.13
HP StorageWorks P2000 AW556A SATA 3 Gb/s 7200 2000 425.00 4.71
Western Digital RE4 WD2003FYYS SATA 3 Gb/s 7200 64 2000 5 449.99 4.44
Hitachi Ultrastar 7K3000 HUA723020ALA640 SATA 6 Gb/s 7200 64 2000 5 499.99 4.00

Price History

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Recent Price Changes

2012-02-11 $139.95 -2.71
2012-02-10 $142.66 +2.67
2012-02-10 $139.99 -2.67
2012-02-08 $142.66 +2.67
2012-02-08 $139.99 +3.99
2012-02-07 $136.00 +1.00
2012-02-04 $135.00 -1.00
2012-02-02 $136.00 +14.01
2012-02-02 $121.99 -14.01
2012-01-30 $136.00 -3.99

Manufacturer's Specs

General
InterfaceSATA 3 Gb/s
Formatted Capacity2,000,398 MB
User Sectors Per Drive3,907,029,168
Capacity2 TB
Performance
Buffer To Host (Serial ATA)3 Gb/s (Max)
Buffer Size64 MB
Power
Standby0.80 Watts
Read/Write6.00 Watts
Sleep0.80 Watts
Idle3.70 Watts
Acoustics
Seek Mode 325 dBA (average)
Seek Mode 029 dBA (average)
Idle Mode24 dBA (average)

External links

Western Digital
http://www.wdc.com/
WD20EARS
http://www.wdc.com/en/produ...

Western Digital WD20EARS Reviews & Benchmarks

X-bit labs - Hard Disk Drives Roundup: Winter 2010 - Dec. 28, 2010
Silent PC Review - New high areal density 2-and-3 TB Greens from WD | silentpcreview.com - Dec. 7, 2010
StorageReview.com - Western Digital Caviar Green 2TB Review (WD20EARS) - June 24, 2010
X-bit labs - Roundup: New Hard Disk Drives with 1 TB and 2 TB Storage Capacities - April 16, 2010

Other Western Digital Caviar Green Reviews & Benchmarks

eTeknix - Western Digital Caviar Green 3TB Hard Drive Review - Oct. 24, 2011
Tom's Hardware - Four 3 TB Hard Drives, Tested And Reviewed - Sept. 8, 2011
Hot Hardware - 3TB Hard Drive Round-up: Hitachi, Seagate, WD - Sept. 7, 2011
Tech ARP - Western Digital Caviar Green (WD30EZRX) 3 TB Desktop Hard Disk Drive Review - June 9, 2011
X-bit labs - New Evolution Spiral: 3 TB Hard Disk Drives Roundup - Feb. 8, 2011
Hardware Heaven - Western Digital Caviar Green 3TB Hard Drive Review - Jan. 1, 2011
Tech ARP - Western Digital Caviar Green (Advanced Format) 3 TB Hard Disk Drive Review Rev. 2.0 - Dec. 24, 2010
The Tech Report - Western Digital's Caviar Green 3TB hard drive - The next mechanical milestone comes with complications - Oct. 28, 2010
TweakTown - Western Digital Caviar Green 3TB Hard Drive - Oct. 19, 2010
AnandTech - Western Digital Caviar Green 3TB and My Book Essential 3TB Drives Reviewed - Oct. 19, 2010
Hot Hardware - WD Caviar Green 3TB Hard Drive Review - Oct. 19, 2010
Legit Reviews - Western Digital 3TB Caviar Green Hard Drive Review - Oct. 19, 2010
PC Perspective - Western Digital Caviar Green 3TB Review - Oct. 19, 2010
X-bit labs - 500 GB Hard Disk Drives Roundup - May 3, 2010
Silent PC Review - Recommended Hard Drives - April 28, 2010
Hot Hardware - Definitive 2TB HD Roundup: WD, Seagate, Samsung - April 16, 2010
X-bit labs - Terabyte Hard Disk Drives Roundup: Round Three - March 8, 2010
Hot Hardware - Exploring WD's Advanced Format HD Technology - Feb. 26, 2010
Tom's Hardware - HDDs, The Next Generation: Drives With 4KB Sectors On The Way - Feb. 26, 2010
X-bit labs - 2 TB Hard Disk Drives: Now at 7,200 RPM - Jan. 11, 2010
Silent PC Review - Western Digital Green 1.5TB vs. Seagate 7200.12 500GB - Dec. 9, 2009
Macintosh Performance Guide - Low-power 2TB hard drives — Seagate Barracuda LP Western Digital Caviar Green - Nov. 24, 2009
Legit Reviews - Western Digital 2TB Caviar Green and Black Hard Drives - Sept. 18, 2009
X-bit labs - Life After 1 TB: Seven Hard Disk Drives with 1.5 TB and 2 TB Storage Capacity - Aug. 15, 2009
Tom's Hardware - 1.5 TB Low-Power HDDs: Green Gets Big - June 24, 2009
Tom's Hardware - New Desktop Hard Drives: Speed Or Capacity? : New HDDs With 500 GB Per Platter (500 GB To 2 TB) - April 21, 2009
Hot Hardware - Western Digital 2TB Caviar Green Power Hard Drive - April 8, 2009
Silent PC Review - WD Caviar Green 2TB & Seagate Pipeline HD 500GB: Two Very Quiet Drives - March 26, 2009
PC Perspective - Western Digital 2TB Caviar Green Review: Bigger and Quieter! - March 11, 2009
The Tech Report - Western Digital's Caviar Green 2TB hard drive: An energy-efficient step up the capacity ladder - Feb. 10, 2009
Tom's Hardware - WD's 2nd Gen GP: More Speed, Less Power : Just Another Green Product? - Dec. 3, 2008
The Tech Report - Western Digital's Caviar Green hard drive: 333GB platters come to the eco-Caviar - Oct. 27, 2008
Tom's Hardware - Energy-Saving Hard Drives - June 3, 2008
Hot Hardware - WD Caviar & RE2 GreenPower 1TB HDs - March 24, 2008
Silent PC Review - Terabyte Round III: WD Caviar Green Power WD10EACS - Feb. 26, 2008
Silent PC Review - WD Green Power: A New Benchmark in HDD Acoustics & Power - Dec. 4, 2007
ExtremeTech - RAID Class Terabyte Hard Drives - Nov. 29, 2007
AnandTech - Seagate and Western Digital 1TB Drives: Improved and Green - Nov. 26, 2007
Tom's Hardware - The Terabyte Battle - Nov. 5, 2007
ExtremeTech - Western Digital WD10EACS and Seagate 7200.11 Terabyte Hard Drive Reviews - Oct. 25, 2007
The Tech Report - Western Digital's Caviar GP hard drive - Is it easy being green? - Oct. 16, 2007
Tom's Hardware - WD Caviar GP: The "Green" 1 TB Drive - Oct. 11, 2007
StorageReview - Faceoff at One Terabyte: Seagate's Barracuda ES.2 and WD's Caviar GreenPower - Oct. 1, 2007

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