Western Digital Caviar Green WD20EARS (2000 GB)

vs Comparable 3.5" SATA Hard Disks
Item 3542: Western Digital Caviar Green 2 TB WD20EARS
BrandWestern Digital
FamilyCaviar Green
PartWD20EARS
Size2000 GB
Cache64 MB
RPM
Form Factor3.5"
InterfaceSATA
Speed3 Gb/s
Warranty3 year
WD20EARS Reviews4
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Hitachi Ultrastar HUA723030ALA641 SATA 6 Gb/s 7200 64 3000 5 79.95 37.52
Western Digital Caviar Green WD30EZRX SATA 6 Gb/s 64 3000 2 101.97 29.42
Seagate ST4000DM000 SATA 6 Gb/s 7200 64 4000 143.99 27.78
Toshiba PH3300U-1I72 SATA 6 Gb/s 7200 64 3000 109.98 27.28
Toshiba DT01ACA300 SATA 6 Gb/s 7200 64 3000 2 109.99 27.28
Seagate Barracuda ST3000DM001 SATA 6 Gb/s 7200 64 3000 109.99 27.28
Seagate Barracuda STBD3000100 SATA 6 Gb/s 7200 64 3000 109.99 27.28
Western Digital Green WD40EZRX SATA 6 Gb/s 64 4000 2 154.99 25.81
Toshiba DT01ACA200 SATA 6 Gb/s 7200 64 2000 2 78.65 25.43
Seagate Barracuda ST2000DM001 SATA 6 Gb/s 7200 64 2000 79.35 25.20
Western Digital Red WD30EFRX SATA 6 Gb/s 64 3000 5 121.99 24.59
Toshiba PH3200U-1I72 SATA 6 Gb/s 7200 64 2000 81.49 24.54
Western Digital Green WD20EZRX SATA 6 Gb/s 64 2000 2 81.69 24.48
Seagate Constellation ES ST32000644NS SATA 3 Gb/s 7200 64 2000 5 81.99 24.39
Western Digital RE4-GP WD2002FYPS SATA 3 Gb/s 64 2000 5 82.00 24.39
Western Digital WDBH2D0030HNC-NRSN SATA 3 Gb/s 3000 123.99 24.20
Western Digital WD Purple WD30PURX SATA 6 Gb/s 3000 124.41 24.11
Hitachi Deskstar 7K4000 HDS724040ALE640 SATA 6 Gb/s 7200 64 4000 168.98 23.67
Western Digital AV-GP WD30EURX SATA 3 Gb/s 64 3000 3 127.48 23.53
Western Digital Caviar Green WDBAAY0030HNC-NRSN SATA 3 Gb/s 3000 3 129.99 23.08
Western Digital Red WD40EFRX SATA 6 Gb/s 64 4000 3 174.99 22.86
Hitachi Deskstar NAS H3IKNAS40003272SN(0S03664) SATA 6 Gb/s 7200 64 4000 174.99 22.86
Seagate Barracuda STBD2000101 SATA 7200 2000 87.92 22.75
Seagate SV35.5 ST3000VX000 SATA 6 Gb/s 7200 64 3000 131.98 22.73
Western Digital WDBMMA0030HNC-NRSN SATA 6 Gb/s 5400 64 3000 132.98 22.56
Western Digital AV-GP WD40EURX SATA 6 Gb/s 64 4000 179.04 22.34
Western Digital AV-GP WD20EURX SATA 3 Gb/s 64 2000 3 89.99 22.22
Western Digital Caviar Green WD20EADS SATA 3 Gb/s 32 2000 3 90.99 21.98
Western Digital Caviar Green WDBAAY0020HNC-NRSN SATA 3 Gb/s 32 2000 3 91.50 21.86
Western Digital WD Purple WD40PURX SATA 6 Gb/s 4000 184.00 21.74
Seagate ST4000VX000 SATA 6 Gb/s 5900 64 4000 185.15 21.60
Western Digital WD25EZRS SATA 3 Gb/s 2500 116.00 21.55
Hitachi Deskstar NAS H3IKNAS30003272SN(0S03660) SATA 6 Gb/s 7200 64 3000 139.99 21.43
Western Digital WD Purple WD20PURX SATA 6 Gb/s 2000 94.99 21.05
Seagate SV35.5 ST2000VX000 SATA 6 Gb/s 7200 64 2000 94.99 21.05
Hitachi Deskstar 7K3000 HDS723030ALA640 SATA 6 Gb/s 7200 64 3000 142.99 20.98
Hitachi 0F10452 SATA 3 Gb/s 7200 32 2000 95.99 20.84
Western Digital AV-GP WD30EURS SATA 3 Gb/s 64 3000 3 144.16 20.81
Seagate ST4000VM000 SATA 5900 64 4000 193.53 20.67
Western Digital Red WD20EFRX SATA 6 Gb/s 64 2000 5 98.94 20.21
Western Digital WDBH2D0020HNC-NRSN SATA 6 Gb/s 64 2000 98.97 20.21
Western Digital AV-GP WD20EURS SATA 3 Gb/s 64 2000 3 99.00 20.20
Western Digital Caviar Green WD25EZRX SATA 6 Gb/s 64 2500 2 127.50 19.61
Hitachi Deskstar 7K3000 HDS723020BLA642 SATA 6 Gb/s 7200 64 2000 105.00 19.05
Hitachi Deskstar 7K3000 HDS723030ALA640 (0F12450) SATA 6 Gb/s 7200 64 3000 5 159.99 18.75
Hitachi Ultrastar 7K3000 HUA723030ALA640 SATA 6 Gb/s 7200 64 3000 3 175.00 17.14
Western Digital WDBMMA0020HNC-NRSN SATA 6 Gb/s 5400 64 2000 119.89 16.68
Western Digital Black WD3003FZEX SATA 6 Gb/s 7200 64 3000 5 181.99 16.48
Western Digital Se WD3000F9YZ SATA 6 Gb/s 7200 64 3000 5 187.68 15.98
Western Digital Black WD3001FAEX SATA 6 Gb/s 7200 64 3000 5 187.84 15.97
Seagate Constellation CS ST3000NC002 SATA 6 Gb/s 7200 64 3000 189.99 15.79
Hitachi Ultrastar 7K4000 HUS724030ALE640 SATA 6 Gb/s 7200 64 3000 192.99 15.54
Seagate Constellation ES.2 ST33000650NS SATA 6 Gb/s 7200 64 3000 193.00 15.54
Hitachi Deskstar 5K3000 HDS5C3020ALA632 SATA 6 Gb/s 32 2000 3 129.00 15.50
Western Digital Caviar Green WD20EARX SATA 6 Gb/s 64 2000 2 129.00 15.50
Seagate Constellation CS ST2000NC001 SATA 6 Gb/s 7200 64 2000 130.00 15.38
Western Digital Se WD2000F9YZ SATA 6 Gb/s 7200 64 2000 5 132.99 15.04
Western Digital Black WD2003FZEX SATA 6 Gb/s 7200 64 2000 5 136.00 14.71
Western Digital RE SATA WD2000FYYZ SATA 6 Gb/s 7200 64 2000 5 139.99 14.29
Western Digital Caviar Black WD2002FAEX SATA 6 Gb/s 7200 64 2000 5 144.99 13.79
Hitachi Ultrastar 7K4000 HUS724020ALE640 SATA 6 Gb/s 7200 64 2000 153.88 13.00
Western Digital WDBSLA0020HNC-NRSN SATA 7200 32 2000 159.99 12.50
Western Digital Caviar Black WD2001FASS SATA 3 Gb/s 7200 64 2000 5 165.00 12.12
Seagate Barracuda XT ST32000641AS SATA 6 Gb/s 7200 64 2000 167.85 11.92
Western Digital Caviar Green WD20EARS SATA 3 Gb/s 64 2000 3 172.00 11.63
Seagate Barracuda Green ST2000DL003 SATA 6 Gb/s 5900 64 2000 179.00 11.17
Seagate Barracuda LP ST32000542AS SATA 3 Gb/s 5900 32 2000 3 190.00 10.53
Hitachi Deskstar 5K3000 HDS5C3020ALA632 SATA 6 Gb/s 32 2000 195.00 10.26
Seagate Constellation ES.2 ST32000646NS SATA 6 Gb/s 7200 64 2000 198.74 10.06
Western Digital WD RE WD200MFYYZ SATA 6 Gb/s 7200 64 2000 222.90 8.97
Western Digital Caviar Black WDBAAZ0020HNC-NRSN SATA 7200 32 2000 3 233.00 8.58
Toshiba MKx002TSKB Series MK2002TSKB SATA 3 Gb/s 7200 64 2000 5 249.99 8.00
Seagate Constellation ES ST2000NM0051 SATA 6 Gb/s 7200 64 2000 270.00 7.41
Seagate Constellation ES.2 ST32000645NS SATA 6 Gb/s 7200 64 2000 275.00 7.27
HP StorageWorks P2000 AW556A SATA 3 Gb/s 7200 2000 299.99 6.67
Seagate Barracuda ST320005N4A1AS-RK SATA 3 Gb/s 5900 32 2000 324.98 6.15
Western Digital AV-GP WD20EVDS SATA 3 Gb/s 32 2000 3 500.00 4.00
Hitachi Deskstar 7K3000 HDS723020BLA642 SATA 6 Gb/s 7200 64 2000 3 2500.00 0.80
Seagate ST1000DX001 SATA 6 Gb/s 7200 64 1TB+8GB 77.99 0.00
Seagate ST2000DX001 SATA 6 Gb/s 7200 64 2TB+8GB 114.67 0.00
Seagate ST4000DX001 SATA 6 Gb/s 64 4TB+8GB NAND Flash 189.99 0.00

Price History

Recent Price Changes

2014-07-25 $172.00 +6.00
2014-06-19 $166.00 +68.00
2014-06-18 $98.00 -68.00
2014-06-17 $166.00 +68.00
2014-06-16 $98.00 -68.00
2014-06-14 $166.00 +68.00
2014-06-13 $98.00 -68.00
2014-06-13 $166.00 -0.75
2014-06-12 $166.75 -0.25
2014-06-09 $167.00 -10.10

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 WD20EARS Reviews & Benchmarks

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

Other Western Digital Caviar Green Reviews & Benchmarks

Hot Hardware - 3TB Hard Drive Round-up: Hitachi, Seagate, WD - Sept. 7, 2011
Hardware Heaven - Western Digital Caviar Green 3TB Hard Drive Review - Jan. 1, 2011
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
Hot Hardware - WD Caviar & RE2 GreenPower 1TB HDs - March 24, 2008
ExtremeTech - RAID Class Terabyte Hard Drives - Nov. 29, 2007
Tom's Hardware - The Terabyte Battle - Nov. 5, 2007
Tom's Hardware - WD Caviar GP: The "Green" 1 TB Drive - Oct. 11, 2007

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