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 78.00 38.46
Western Digital RE4-GP WD2003FYPS SATA 3 Gb/s 7200 64 2000 60.95 32.81
Hitachi 0F10452 SATA 3 Gb/s 7200 32 2000 64.50 31.01
Western Digital Green WD40EZRX SATA 6 Gb/s 64 4000 2 129.99 30.77
Western Digital Caviar Green WD30EZRX SATA 6 Gb/s 64 3000 2 99.45 30.17
Western Digital AV-GP WD30EURS SATA 3 Gb/s 64 3000 3 101.95 29.43
Western Digital WD25EZRS SATA 3 Gb/s 2500 86.61 28.87
Seagate Barracuda STBD3000100 SATA 6 Gb/s 7200 64 3000 103.99 28.85
Seagate ST4000DM000 SATA 6 Gb/s 7200 64 4000 138.88 28.80
Western Digital WDBH2D0030HNC-NRSN SATA 3 Gb/s 3000 104.69 28.66
Western Digital WDBH2D0020HNC-NRSN SATA 6 Gb/s 64 2000 69.95 28.59
Seagate Barracuda ST3000DM001 SATA 6 Gb/s 7200 64 3000 104.99 28.57
Western Digital Caviar Green WD20EADS SATA 3 Gb/s 32 2000 3 70.00 28.57
Toshiba DT01ACA300 SATA 6 Gb/s 7200 64 3000 2 107.99 27.78
Seagate Barracuda ST2000DM001 SATA 6 Gb/s 7200 64 2000 72.60 27.55
Toshiba PH3300U-1I72 SATA 6 Gb/s 7200 64 3000 108.98 27.53
Western Digital Red WD30EFRX SATA 6 Gb/s 64 3000 5 109.99 27.28
Western Digital Caviar Green WDBAAY0020HNC-NRSN SATA 3 Gb/s 32 2000 3 74.99 26.67
Western Digital Caviar Green WD20EARX SATA 6 Gb/s 64 2000 2 75.00 26.67
Seagate Constellation ES ST32000644NS SATA 3 Gb/s 7200 64 2000 5 75.99 26.32
Western Digital Green WD20EZRX SATA 6 Gb/s 64 2000 2 77.41 25.84
Western Digital AV-GP WD20EURS SATA 3 Gb/s 64 2000 3 78.01 25.64
Hitachi Deskstar 7K3000 HDS723030ALA640 SATA 6 Gb/s 7200 64 3000 119.00 25.21
Seagate Pipeline HD ST2000VM002 SATA 3 Gb/s 5900 64 2000 79.95 25.02
Seagate Barracuda STBD2000101 SATA 7200 2000 79.95 25.02
Toshiba DT01ACA200 SATA 6 Gb/s 7200 64 2000 2 79.99 25.00
Western Digital RE4-GP WD2002FYPS SATA 3 Gb/s 64 2000 5 80.00 25.00
Western Digital AV-GP WD30EURX SATA 3 Gb/s 64 3000 3 120.00 25.00
Western Digital WD Purple WD30PURX SATA 6 Gb/s 3000 120.85 24.82
Hitachi Deskstar 7K3000 HDS723030ALA640 (0F12450) SATA 6 Gb/s 7200 64 3000 5 122.00 24.59
Seagate SV35.5 ST3000VX000 SATA 6 Gb/s 7200 64 3000 123.91 24.21
Western Digital WDBMMA0030HNC-NRSN SATA 6 Gb/s 5400 64 3000 123.99 24.20
Toshiba PH3200U-1I72 SATA 6 Gb/s 7200 64 2000 83.84 23.85
Seagate ST4000VM000 SATA 5900 64 4000 168.24 23.78
Western Digital Red WD40EFRX SATA 6 Gb/s 64 4000 3 169.00 23.67
Western Digital WD Purple WD40PURX SATA 6 Gb/s 4000 169.99 23.53
Hitachi Deskstar 7K4000 HDS724040ALE640 SATA 6 Gb/s 7200 64 4000 178.76 22.38
Western Digital WD Purple WD20PURX SATA 6 Gb/s 2000 89.94 22.24
Western Digital AV-GP WD20EURX SATA 3 Gb/s 64 2000 3 89.99 22.22
Hitachi Ultrastar 7K3000 HUA723030ALA640 SATA 6 Gb/s 7200 64 3000 3 135.00 22.22
Seagate SV35.5 ST2000VX000 SATA 6 Gb/s 7200 64 2000 90.00 22.22
Hitachi Deskstar NAS H3IKNAS40003272SN(0S03664) SATA 6 Gb/s 7200 64 4000 184.99 21.62
Western Digital Red WD20EFRX SATA 6 Gb/s 64 2000 5 94.99 21.05
Hitachi Deskstar 0S03228 SATA 5400 3000 148.95 20.14
Western Digital Caviar Green WD25EZRX SATA 6 Gb/s 64 2500 2 127.50 19.61
Western Digital Caviar Green WDBAAY0030HNC-NRSN SATA 3 Gb/s 3000 3 154.99 19.36
Seagate Constellation CS ST2000NC001 SATA 6 Gb/s 7200 64 2000 110.00 18.18
Western Digital Black WD3003FZEX SATA 6 Gb/s 7200 64 3000 5 169.99 17.65
Seagate Barracuda XT ST32000641AS SATA 6 Gb/s 7200 64 2000 115.00 17.39
Western Digital Se WD3000F9YZ SATA 6 Gb/s 7200 64 3000 5 176.26 17.02
Seagate Constellation ES.2 ST33000650NS SATA 6 Gb/s 7200 64 3000 177.63 16.89
Western Digital WDBMMA0020HNC-NRSN SATA 6 Gb/s 5400 64 2000 119.65 16.72
Western Digital Black WD2003FZEX SATA 6 Gb/s 7200 64 2000 5 119.99 16.67
Western Digital Black WD3001FAEX SATA 6 Gb/s 7200 64 3000 5 185.97 16.13
Seagate Barracuda Green ST2000DL003 SATA 6 Gb/s 5900 64 2000 129.00 15.50
Hitachi Deskstar 5K3000 HDS5C3020ALA632 SATA 6 Gb/s 32 2000 3 129.00 15.50
Western Digital Se WD2000F9YZ SATA 6 Gb/s 7200 64 2000 5 132.99 15.04
Western Digital Caviar Black WD2002FAEX SATA 6 Gb/s 7200 64 2000 5 136.62 14.64
Western Digital RE SATA WD2000FYYZ SATA 6 Gb/s 7200 64 2000 5 140.56 14.23
Western Digital WDBSLA0020HNC-NRSN SATA 7200 32 2000 149.99 13.33
Western Digital AV-GP WD20EVDS SATA 3 Gb/s 32 2000 3 151.50 13.20
Western Digital Caviar Green WD20EARS SATA 3 Gb/s 64 2000 3 155.00 12.90
Hitachi Ultrastar 7K4000 HUS724020ALE640 SATA 6 Gb/s 7200 64 2000 159.61 12.53
Seagate Barracuda LP ST32000542AS SATA 3 Gb/s 5900 32 2000 3 165.00 12.12
Samsung Spinpoint F4 HD204UI SATA 3 Gb/s 32 2000 170.00 11.76
Western Digital Caviar Black WD2001FASS SATA 3 Gb/s 7200 64 2000 5 180.00 11.11
Western Digital Caviar Black WDBAAZ0020HNC-NRSN SATA 7200 32 2000 3 194.41 10.29
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
Hitachi Deskstar 7K3000 HDS723020BLA642 SATA 6 Gb/s 7200 64 2000 199.99 10.00
Toshiba MKx002TSKB Series MK2002TSKB SATA 3 Gb/s 7200 64 2000 5 249.75 8.01
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
Seagate ST1000DX001 SATA 6 Gb/s 7200 64 1TB+8GB 79.99 0.00
Seagate ST2000DX001 SATA 6 Gb/s 7200 64 2TB+8GB 101.05 0.00

Price History

Recent Price Changes

2014-11-22 $155.00 +64.00
2014-11-21 $91.00 +0.01
2014-11-21 $90.99 -0.01
2014-11-21 $91.00 +0.01
2014-11-20 $90.99 +10.99
2014-11-20 $80.00 -3.00
2014-11-14 $83.00 -2.00
2014-11-09 $85.00 -2.00
2014-10-15 $87.00 -6.74
2014-10-15 $93.74 -0.05

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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