Western Digital Caviar Blue WD6400AAKS vs Comparable 3.5" SATA Hard Disks
Item 1471: Western Digital WD6400AAKS
Size640 GB
Cache16 MB
RPM
Form Factor3.5"
InterfaceSATA
Speed3 Gb/s
Warranty3 year
WD6400AAKS Reviews4
$ 1551.20
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Western Digital Caviar Green WD25EZRX SATA 6 Gb/s 64 2500 149.50 16.72
Western Digital Caviar Green WD30EZRX SATA 6 Gb/s 64 3000 187.99 15.96
Western Digital AV-GP WD30EURS SATA 3 Gb/s 64 3000 3 189.39 15.84
Western Digital Caviar Green WD30EZRS SATA 3 Gb/s 64 3000 2 191.26 15.69
Western Digital Caviar Green WD20EARX SATA 6 Gb/s 64 2000 129.99 15.39
Seagate Barracuda Green ST2000DL003 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 3 135.00 14.81
Seagate Barracuda ST320005N4A1AS-RK SATA 3 Gb/s 5900 32 2000 141.99 14.09
Western Digital Caviar Green WDBAAY0030HNC-NRSN SATA 3 Gb/s 3000 3 215.99 13.89
Western Digital Caviar Green WD15EARS SATA 3 Gb/s 64 1500 3 108.00 13.89
Seagate Barracuda Green ST1500DL003 SATA 6 Gb/s 64 1500 109.95 13.64
Hitachi Deskstar H3IK30003254SW (0S03230) SATA 6 Gb/s 5400 32 3000 3 229.99 13.04
Seagate Barracuda ST3000DM001 SATA 6 Gb/s 7200 64 3000 229.99 13.04
Western Digital Caviar Green WD15EARX SATA 6 Gb/s 64 1500 3 117.59 12.76
Samsung Spinpoint F4 HD204UI SATA 3 Gb/s 32 2000 156.99 12.74
Western Digital Caviar Green WD25EZRSDTL SATA 3 Gb/s 64 2500 199.99 12.50
Hitachi Deskstar 0S03228 SATA 5400 3000 239.99 12.50
Hitachi Deskstar 5K3000 HDS5C3030ALA630 (0F12460) SATA 6 Gb/s 32 3000 3 239.99 12.50
Seagate Barracuda LP ST31500541AS SATA 3 Gb/s 5900 32 1500 3 124.00 12.10
Western Digital Caviar Green WD30EZRSDTL SATA 3 Gb/s 64 3000 3 249.99 12.00
Hitachi 0G00062 SATA 3 Gb/s 7200 2000 3 167.74 11.92
Seagate Barracuda ST2000DM001 SATA 6 Gb/s 7200 64 2000 168.96 11.84
Western Digital Caviar Green WD15EADS SATA 3 Gb/s 32 1500 3 129.99 11.54
Seagate Barracuda ST1500DM003 SATA 6 Gb/s 7200 64 1500 134.15 11.18
Western Digital AV-GP WD15EURS SATA 3 Gb/s 64 1500 3 138.54 10.83
Hitachi H3IK40003254SW (0S03364) SATA 6 Gb/s 5400 32 4000 369.99 10.81
Western Digital Caviar Green WDBAAY0015HNC-NRSN SATA 3 Gb/s 7200 32 1500 3 139.99 10.72
Western Digital Caviar Green WDBAAY0020HNC-NRSN SATA 3 Gb/s 32 2000 3 189.00 10.58
Western Digital Caviar Green WD10EADS SATA 3 Gb/s 32 1000 3 99.99 10.00
Seagate Barracuda ST315005N4A1AS-RK SATA 3 Gb/s 5900 32 1500 149.99 10.00
Western Digital Caviar Green WDBAAY0010HNC-NRSN SATA 3 Gb/s 7200 32 1000 3 104.50 9.57
Western Digital Caviar Green WD10EARX SATA 6 Gb/s 64 1000 3 104.99 9.52
Western Digital Caviar Black WDBAAZ0020HNC-NRSN SATA 7200 32 2000 3 209.99 9.52
Western Digital Caviar Black WD1502FAEX SATA 6 Gb/s 7200 64 1500 5 159.99 9.38
Western Digital Caviar Black WD2002FAEX SATA 6 Gb/s 7200 64 2000 5 217.40 9.20
Hitachi Deskstar 7K1000.B HDT721064SLA360 SATA 3 Gb/s 7200 16 640 69.95 9.15
Hitachi Ultrastar A7K1000 HUA721010KLA330 SATA 3 Gb/s 7200 32 1000 109.99 9.09
Western Digital Caviar Green WD10EARS SATA 3 Gb/s 64 1000 3 109.99 9.09
Hitachi Deskstar H3IK20003272SP SATA 3 Gb/s 7200 2000 219.99 9.09
Hitachi Deskstar 7K3000 HDS723020BLA642 SATA 6 Gb/s 7200 64 2000 3 219.99 9.09
Hitachi Deskstar H3IK30003272SW SATA 6 Gb/s 7200 3000 3 329.99 9.09
Hitachi Deskstar 0S03086 SATA 6 Gb/s 7200 3000 3 329.99 9.09
Western Digital Caviar Green WD10EADX SATA 6 Gb/s 32 1000 112.00 8.93
Seagate Barracuda XT ST32000641AS SATA 6 Gb/s 7200 64 2000 228.99 8.73
Western Digital AV-GP WD10EURS SATA 3 Gb/s 64 1000 3 114.62 8.72
Western Digital Caviar Green WD20EADS SATA 3 Gb/s 32 2000 3 230.00 8.70
Western Digital AV-GP WD10EURX SATA 6 Gb/s 64 1000 117.29 8.53
Seagate Barracuda ST1000DM003 SATA 6 Gb/s 7200 64 1000 118.84 8.41
Seagate Barracuda Green ST1000DL002 SATA 3 Gb/s 5900 32 1000 118.95 8.41
Western Digital Caviar Black WD7502AAEX SATA 6 Gb/s 7200 64 750 5 89.99 8.33
Hitachi Deskstar 7K1000 HDD-HDS721075KLA330-NDW-R SATA 3 Gb/s 7200 32 750 89.99 8.33
Western Digital Caviar Black WD1001FALS SATA 3 Gb/s 7200 32 1000 5 119.99 8.33
Western Digital Caviar Green WD20000CSRTL SATA 3 Gb/s 2000 3 240.00 8.33
Seagate SV35 ST2000VX002 SATA 6 Gb/s 5900 64 2000 5 249.99 8.00
Samsung EcoGreen F2 Series HD154UI SATA 3 Gb/s 32 1500 188.95 7.94
G-TECH 0G00149 SATA 3 Gb/s 7200 8 1000 3 126.00 7.94
Western Digital RE4-GP WD1502FYPS SATA 3 Gb/s 64 1500 5 189.71 7.91
Seagate Barracuda ES ST3750640NS SATA 3 Gb/s 7200 16 750 94.99 7.90
Seagate Barracuda 7200.12 ST31000524AS SATA 6 Gb/s 7200 32 1000 128.90 7.76
Samsung EcoGreen F2 Series HD103SI SATA 3 Gb/s 32 1000 129.99 7.69
Western Digital WD1001FAES SATA 3 Gb/s 7200 64 1000 129.99 7.69
Western Digital Caviar Blue WD10EALX SATA 6 Gb/s 32 1000 3 129.99 7.69
Hitachi Deskstar 7K1000.C HDS721010CLA332 (0F10383) SATA 3 Gb/s 7200 32 1000 129.99 7.69
Western Digital Caviar Green WD7500AARX SATA 6 Gb/s 64 750 3 98.25 7.63
Western Digital AV-GP WD15EVDS SATA 3 Gb/s 32 1500 3 198.95 7.54
Western Digital Caviar Blue WD7500AALX SATA 6 Gb/s 32 750 3 99.99 7.50
Hitachi Deskstar 7K1000.D HDS721075DLE630 SATA 6 Gb/s 7200 32 750 99.99 7.50
Western Digital Caviar Black WD1501FASS SATA 3 Gb/s 7200 32 1500 5 199.99 7.50
Seagate Barracuda 7200.12 ST31000528AS SATA 3 Gb/s 7200 32 1000 3 138.99 7.19
Seagate Pipeline HD ST31000322CS SATA 3 Gb/s 8 1000 139.99 7.14
Western Digital Caviar Black WD7501AALS SATA 3 Gb/s 7200 32 750 5 109.99 6.82
Western Digital Caviar Black WD1002FAEX SATA 6 Gb/s 7200 64 1000 5 149.99 6.67
Seagate Barracuda LP ST32000542AS SATA 3 Gb/s 5900 32 2000 3 299.99 6.67
Western Digital Caviar Black WD2001FASS SATA 3 Gb/s 7200 64 2000 5 300.00 6.67
Western Digital AV-GP WD7500AVDS SATA 3 Gb/s 32 750 3 118.18 6.35
Western Digital AV-GP WD10EUCX SATA 6 Gb/s 16 1000 159.99 6.25
Samsung Spinpoint F3 HD103SJ SATA 3 Gb/s 7200 32 1000 159.99 6.25
Hitachi Deskstar 7K1000.D HDS721010DLE630 (0F13180) SATA 6 Gb/s 7200 32 1000 159.99 6.25
Seagate Barracuda XT ST320005N1A1AS-RK SATA 6 Gb/s 7200 64 2000 3 325.00 6.15
Western Digital RE4-GP WD2002FYPS SATA 3 Gb/s 64 2000 5 339.34 5.89
Seagate ST310005N1A1AS-RK SATA 3 Gb/s 7200 32 1000 169.99 5.88
Seagate Barracuda ES.2 ST31000340NS SATA 3 Gb/s 7200 32 1000 194.00 5.15
Western Digital RE2-GP WD7500AYPS SATA 3 Gb/s 16 750 5 149.95 5.00
Western Digital Caviar Black WDBAAZ0010HNC-NRSN SATA 3 Gb/s 7200 32 1000 3 199.99 5.00
HP StorageWorks P2000 AW556A SATA 3 Gb/s 7200 2000 425.00 4.71
Seagate Constellation ES ST32000644NS SATA 3 Gb/s 7200 64 2000 5 429.99 4.65
Western Digital Caviar Green WD7500AZRX SATA 6 Gb/s 64 750 166.45 4.51
Western Digital RE4 WD2003FYYS SATA 3 Gb/s 7200 64 2000 5 449.99 4.44
Seagate Barracuda 7200.11 ST31000340AS SATA 3 Gb/s 7200 32 1000 3 229.95 4.35
Hitachi Deskstar 7K1000.B 0A38016 SATA 3 Gb/s 7200 16 1000 229.95 4.35
Seagate Barracuda 7200.11 ST31000333AS SATA 3 Gb/s 7200 32 1000 3 229.95 4.35
Seagate Barracuda LP ST31000520AS SATA 3 Gb/s 32 1000 3 249.95 4.00
Hitachi Ultrastar 7K3000 HUA723020ALA640 SATA 6 Gb/s 7200 64 2000 5 499.99 4.00
Western Digital Caviar Green WD7500AARS SATA 3 Gb/s 64 750 3 189.95 3.95
Western Digital Caviar Green WD7500AADS SATA 3 Gb/s 32 750 3 189.99 3.95
Western Digital RE4 WD1003FBYX SATA 3 Gb/s 7200 64 1000 5 263.25 3.80
HP Midline 454146-B21 SATA 3 Gb/s 7200 1000 265.00 3.77
Seagate Barracuda 7200.11 ST3750330AS SATA 3 Gb/s 7200 32 750 3 219.95 3.41
HP StorageWorks MSA2 AJ740A SATA 3 Gb/s 7200 1000 304.67 3.28
Seagate Barracuda 7200.10 ST3750640AS SATA 3 Gb/s 7200 16 750 3 229.95 3.26
Seagate Constellation ES ST31000524NS SATA 3 Gb/s 7200 32 1000 5 349.95 2.86
Seagate Barracuda 7200.12 ST3750525AS SATA 6 Gb/s 7200 32 750 269.95 2.78
HP Midline 458930-B21 SATA 7200 750 270.00 2.78
IBM 43W7630 SATA 3 Gb/s 7200 1000 562.95 1.78
Western Digital Caviar Blue WD6400AAKS SATA 3 Gb/s 16 640 3 1551.20 0.41

Price History

Atom Feed

Recent Price Changes

2012-01-16 $1551.20 +1401.25
2012-01-16 $149.95 -1401.25
2012-01-16 $1551.20 +1401.25
2012-01-16 $149.95 -1401.25
2012-01-10 $1551.20 +1401.25
2012-01-10 $149.95 -1401.25
2011-12-31 $1551.20 +1391.25
2011-12-30 $159.95 +68.96
2011-12-30 $90.99 -68.96
2011-12-23 $159.95 -1391.25

Manufacturer's Specs

General
InterfaceSATA 3 Gb/s
Formatted Capacity640,135 MB
User Sectors Per Drive1,250,263,728
Capacity640 GB
Performance
Buffer To Host (Serial ATA)3 Gb/s (Max)
Buffer Size16 MB
Power
Standby1.00 Watts
Read/Write8.30 Watts
Sleep1.00 Watts
Idle7.70 Watts
Acoustics
Seek Mode 326 dBA (average)
Seek Mode 029 dBA (average)
Idle Mode25 dBA (average)

External links

Western Digital
http://www.wdc.com/
WD6400AAKS
http://www.wdc.com/en/produ...

Western Digital WD6400AAKS Reviews & Benchmarks

Silent PC Review - Recommended Hard Drives - April 28, 2010
Silent PC Review - WD SE16 Caviar 640GB is now Blue - June 18, 2008
The Tech Report - Western Digital's Caviar SE16 640GB hard drive - New platters for the sweet spot - March 25, 2008
AnandTech - Western Digital 640GB - Twice the Platters, Twice the Fun - March 21, 2008

Other Western Digital Caviar Blue Reviews & Benchmarks

Silent PC Review - Hitachi Deskstar 7K1000.C 1TB vs. WD Caviar Blue 1TB | silentpcreview.com - Feb. 10, 2011
X-bit labs - Hard Disk Drives Roundup: Winter 2010 - Dec. 28, 2010
X-bit labs - 500 GB Hard Disk Drives Roundup - May 3, 2010
Tom's Hardware - A Quartet Of 500 GB HDDs Under $60 : Fast And Affordable: 500 GB Hard Drives Reviewed - Feb. 23, 2009

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