Western Digital Caviar Blue WD2500AAKS vs Comparable 3.5" SATA Hard Disks
Item 1494: Western Digital WD2500AAKS
Size250 GB
Cache16 MB
RPM
Form Factor3.5"
InterfaceSATA
Speed3 Gb/s
Warranty3 year
$ 99.00
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Western Digital Caviar Green WD20EADS SATA 3 Gb/s 32 2000 3 89.99 22.22
Western Digital WD25EZRS SATA 3 Gb/s 2500 114.99 21.74
Western Digital Caviar Green WD20EARS SATA 3 Gb/s 64 2000 3 109.99 18.18
Seagate Barracuda Green ST2000DL003 SATA 6 Gb/s 64 2000 117.57 17.01
Seagate Barracuda Green ST1500DL003 SATA 6 Gb/s 64 1500 89.99 16.67
Western Digital Caviar Green WD15EADS SATA 3 Gb/s 32 1500 3 99.00 15.15
Western Digital Caviar Green WD10EARS SATA 3 Gb/s 64 1000 3 69.99 14.29
Seagate Barracuda ST1500DM003 SATA 6 Gb/s 7200 64 1500 106.51 14.08
Western Digital Caviar Green WD15EARS SATA 3 Gb/s 64 1500 3 109.00 13.76
Western Digital Caviar Green WD15EARX SATA 6 Gb/s 64 1500 3 109.66 13.68
Western Digital Caviar Green WDBAAY0015HNC-NRSN SATA 3 Gb/s 7200 32 1500 3 109.99 13.64
Seagate SV35 ST31000526SV SATA 6 Gb/s 7200 32 1000 3 79.95 12.51
Seagate Barracuda ES ST3750640NS SATA 3 Gb/s 7200 16 750 59.99 12.50
Western Digital Caviar Green WD10EADS SATA 3 Gb/s 32 1000 3 79.99 12.50
Samsung EcoGreen F2 Series HD103SI SATA 3 Gb/s 32 1000 79.99 12.50
Western Digital Caviar Blue WD10EALS SATA 3 Gb/s 32 1000 3 79.99 12.50
Western Digital Caviar Blue WD10EALX SATA 6 Gb/s 32 1000 3 79.99 12.50
Western Digital Caviar Green WD10EARX SATA 6 Gb/s 64 1000 3 79.99 12.50
Western Digital HDWD10EVVS/R SATA 3 Gb/s 16 1000 84.99 11.77
Western Digital AV-GP WD10EURS SATA 3 Gb/s 64 1000 3 84.99 11.77
Western Digital AV-GP WD10EUCX SATA 6 Gb/s 16 1000 84.99 11.77
Hitachi Ultrastar A7K1000 HUA721010KLA330 SATA 3 Gb/s 7200 32 1000 84.99 11.77
Western Digital Caviar Green WDBAAY0010HNC-NRSN SATA 3 Gb/s 7200 32 1000 3 86.20 11.60
Hitachi Deskstar 7K1000.C 0F10383 SATA 3 Gb/s 7200 32 1000 88.99 11.24
Samsung F1 RAID Class HE103UJ SATA 3 Gb/s 7200 32 1000 88.99 11.24
Western Digital AV-GP WD10EVDS SATA 3 Gb/s 32 1000 3 88.99 11.24
Western Digital Caviar Green WD10EAVS SATA 3 Gb/s 8 1000 89.99 11.11
Western Digital HDWD10EVDS/R SATA 3 Gb/s 32 1000 89.99 11.11
Western Digital WD1001FAES SATA 3 Gb/s 7200 64 1000 89.99 11.11
Seagate Barracuda ES.2 ST31000340NS SATA 3 Gb/s 7200 32 1000 92.00 10.87
Western Digital Caviar Black WD1001FALS SATA 3 Gb/s 7200 32 1000 5 92.99 10.75
Western Digital RE3 WD1002FBYS SATA 3 Gb/s 7200 32 1000 5 94.99 10.53
Western Digital Caviar Green WD10EADX SATA 6 Gb/s 32 1000 94.99 10.53
Seagate Barracuda ST1000DM003 SATA 6 Gb/s 7200 64 1000 95.98 10.42
Samsung Spinpoint F3 HD103SJ SATA 3 Gb/s 7200 32 1000 95.99 10.42
Western Digital Caviar Green WD10EZRX SATA 6 Gb/s 64 1000 2 95.99 10.42
Seagate Barracuda 7200.11 ST3750330AS SATA 3 Gb/s 7200 32 750 3 74.00 10.14
Seagate SV35.5 ST3500410SV SATA 3 Gb/s 16 500 49.55 10.09
Seagate Barracuda 7200.12 ST31000524AS SATA 6 Gb/s 7200 32 1000 99.72 10.03
Hitachi Ultrastar A7K2000 hua722010cla330 SATA 3 Gb/s 7200 32 1000 99.99 10.00
Seagate ST310005N1A1AS-RK SATA 3 Gb/s 7200 32 1000 99.99 10.00
Hitachi Deskstar E7K1000 hde721010sla330 SATA 3 Gb/s 7200 32 1000 99.99 10.00
Western Digital Caviar Black WD1002FAEX SATA 6 Gb/s 7200 64 1000 5 99.99 10.00
Western Digital AV-GP WD10EURX SATA 6 Gb/s 64 1000 99.99 10.00
Hitachi Deskstar 7K1000.D HDS721010DLE630 (0F13180) SATA 6 Gb/s 7200 32 1000 99.99 10.00
Seagate SV35.5 ST1000VX000 SATA 6 Gb/s 7200 64 1000 102.02 9.80
Seagate Pipeline HD ST1000VM002 SATA 3 Gb/s 5900 64 1000 104.99 9.52
Seagate Barracuda ES.2 ST3750330NS SATA 3 Gb/s 7200 32 750 79.99 9.38
Seagate Barracuda 7200.12 ST3750525AS SATA 6 Gb/s 7200 32 750 79.99 9.38
Hitachi Deskstar E7K500 HDS725050KLA360 SATA 3 Gb/s 7200 16 500 54.99 9.09
Hitachi Deskstar 7K1000.C HDS721010CLA332 (0F10383) SATA 3 Gb/s 7200 32 1000 109.99 9.09
Seagate Pipeline HD ST31000322CS SATA 3 Gb/s 8 1000 109.99 9.09
HP Midline 454146-B21 SATA 3 Gb/s 7200 1000 110.00 9.09
Western Digital Caviar Green WD7500AZRX SATA 6 Gb/s 64 750 84.92 8.83
Western Digital Caviar Green WD7500AACS SATA 3 Gb/s 16 750 3 84.99 8.82
Western Digital RE4 WD1003FBYX SATA 3 Gb/s 7200 64 1000 5 113.99 8.77
Western Digital Caviar Black WD7502AAEX SATA 6 Gb/s 7200 64 750 5 85.99 8.72
Hitachi Deskstar 7K1000.B HDT721064SLA360 SATA 3 Gb/s 7200 16 640 74.99 8.53
Western Digital Caviar Black WD7501AALS SATA 3 Gb/s 7200 32 750 5 87.99 8.52
Seagate Barracuda ES ST3750641NS SATA 3 Gb/s 7200 16 750 89.80 8.35
Western Digital Caviar Green WD7500AARX SATA 6 Gb/s 64 750 3 89.99 8.33
Seagate Pipeline HD ST3500312CS SATA 3 Gb/s 8 500 60.59 8.25
Western Digital Caviar Green WD5000AZDX SATA 6 Gb/s 32 500 67.99 7.35
Western Digital Caviar Blue WD7500AALX SATA 6 Gb/s 32 750 3 104.08 7.21
Seagate Barracuda ES ST3500630NS SATA 3 Gb/s 7200 16 500 69.99 7.14
Maxtor MaXLine Pro 500 7H500F0 SATA 3 Gb/s 7200 16 500 69.99 7.14
Hitachi Ultrastar A7K1000 HUA721050KLA330-PULL SATA 3 Gb/s 7200 32 500 69.99 7.14
Western Digital Caviar Blue WD5000AAKX SATA 6 Gb/s 32 500 3 72.62 6.89
Western Digital Caviar Green WDBAAY5000ENC-NRSN SATA 3 Gb/s 500 3 73.30 6.82
Seagate Barracuda ST500DM002 SATA 6 Gb/s 7200 16 500 73.98 6.76
Western Digital RE3 WD5002ABYS SATA 3 Gb/s 7200 16 500 5 74.95 6.67
Seagate Barracuda 7200.8 ST3400832AS SATA 1.5 Gb/s 7200 8 400 59.99 6.67
Western Digital WD5000AARS SATA 3 Gb/s 500 74.99 6.67
Seagate ST3500641AS-RK SATA 3 Gb/s 7200 16 500 74.99 6.67
Western Digital Caviar Green WD5000AZRX SATA 6 Gb/s 64 500 76.33 6.55
Western Digital AV-GP WD5000AUDX SATA 6 Gb/s 32 500 78.08 6.40
Maxtor MaXLine III 7l320s0 SATA 1.5 Gb/s 7200 16 320 49.99 6.40
Western Digital Caviar Blue WD2500AAKX SATA 6 Gb/s 32 250 3 39.99 6.25
Western Digital Caviar Green WD5000AAVS SATA 3 Gb/s 16 500 3 79.99 6.25
Samsung Spinpoint F3 HD502HJ SATA 3 Gb/s 7200 16 500 79.99 6.25
Hitachi HDS721050CLA362 (0F10381) SATA 3 Gb/s 7200 16 500 79.99 6.25
Hitachi Ultrastar A7K2000 0F11000 SATA 3 Gb/s 7200 32 500 3 79.99 6.25
Western Digital AV-GP WD5000AVCS SATA 3 Gb/s 16 500 3 79.99 6.25
Hitachi Deskstar 7K1000.D HDS721050DLE630 (0F13178) SATA 6 Gb/s 7200 32 500 79.99 6.25
Western Digital Caviar Blue WDBAAX5000ENC-NRSN SATA 3 Gb/s 7200 16 500 3 80.99 6.17
Western Digital RE4 WD5003ABYX SATA 3 Gb/s 7200 64 500 5 82.99 6.02
Maxtor MaXLine III 7L250S0 SATA 1.5 Gb/s 7200 16 250 41.99 5.95
Maxtor MaXLine Plus II 7Y250M00653RA SATA 1.5 Gb/s 7200 8 250 41.99 5.95
Seagate st3320630ns SATA 3 Gb/s 7200 320 54.99 5.82
Western Digital RE2-GP WD5000ABPS SATA 3 Gb/s 16 500 5 85.99 5.81
Western Digital RE2 WD4000YR SATA 1.5 Gb/s 7200 16 400 69.99 5.72
Seagate Barracuda 7200.12 ST3500418AS SATA 3 Gb/s 7200 16 500 3 88.10 5.68
Western Digital AV-GP WD5000AVDS SATA 3 Gb/s 32 500 3 89.42 5.59
Hitachi Deskstar 7K250 HDS722525VLSA80 SATA 1.5 Gb/s 7200 8 250 44.99 5.56
Seagate DB35.4 ST3250310CS SATA 3 Gb/s 7200 8 250 44.99 5.56
Western Digital WD2500AAVS SATA 3 Gb/s 5400 8 250 44.99 5.56
Western Digital Caviar Green WD5000AADS SATA 3 Gb/s 32 500 3 89.99 5.56
Seagate Barracuda 7200.12 ST3500413AS SATA 6 Gb/s 7200 16 500 89.99 5.56
Seagate SV35 ST3500411SV SATA 6 Gb/s 7200 16 500 3 89.99 5.56
Western Digital Caviar Green WD3200AZDX SATA 6 Gb/s 32 320 59.95 5.34
Hitachi Deskstar 7K400 HDS724040KLSA80 SATA 1.5 Gb/s 7200 8 400 75.00 5.33
HP PV943UT SATA 3 Gb/s 7200 500 95.00 5.26
Seagate Barracuda 7200.10 ST3500630AS SATA 3 Gb/s 7200 16 500 3 96.00 5.21
Seagate Pipeline HD ST3250312CS SATA 3 Gb/s 8 250 49.95 5.01
Seagate ST3250412CS SATA 3 Gb/s 5900 16 250 49.99 5.00
Western Digital AV-GP WD2500AVVS SATA 3 Gb/s 8 250 3 49.99 5.00
Western Digital Caviar Blue WD5000AAKS SATA 3 Gb/s 16 500 3 99.99 5.00
Western Digital Caviar Black WD5002AALX SATA 6 Gb/s 7200 32 500 2 99.99 5.00
Lenovo 43R1990 SATA 3 Gb/s 7200 8 500 108.66 4.60
Western Digital AV WD3200AVJS SATA 3 Gb/s 7200 8 320 3 69.69 4.59
Western Digital AV-GP WD3200AUDX SATA 6 Gb/s 32 320 69.99 4.57
Western Digital Caviar Blue WD3200AAKX SATA 6 Gb/s 32 320 3 69.99 4.57
Seagate Barracuda ES.2 ST3250310NS SATA 3 Gb/s 7200 32 250 54.99 4.55
Western Digital Caviar Green WD5000CSRTL SATA 3 Gb/s 7200 16 500 3 109.99 4.55
Western Digital Caviar RE WD3200YS SATA 3 Gb/s 7200 16 320 70.99 4.51
Seagate Barracuda 7200.10 ST3400620AS SATA 3 Gb/s 7200 16 400 3 89.00 4.49
Western Digital Caviar Blue WDBAAX3200ENC-NRSN SATA 3 Gb/s 7200 16 320 3 72.00 4.44
Seagate Barracuda ST320DM000 SATA 6 Gb/s 7200 16 320 74.99 4.27
Western Digital Caviar Green WD3200AZRX SATA 6 Gb/s 64 320 74.99 4.27
Western Digital Caviar RE WD2500YS SATA 3 Gb/s 7200 16 250 59.99 4.17
Western Digital AV-GP WD3200AVVS SATA 3 Gb/s 8 320 3 79.99 4.00
Seagate Barracuda ST250DM000 SATA 6 Gb/s 7200 16 250 63.83 3.92
Lenovo 41N3015 SATA 3 Gb/s 7200 8 250 66.99 3.73
Western Digital RE3 WD2502ABYS SATA 3 Gb/s 7200 16 250 5 71.99 3.47
HP EA788UT#ABA SATA 3 Gb/s 7200 250 74.99 3.33
Western Digital RE3 WD3202ABYS SATA 3 Gb/s 7200 16 320 5 98.00 3.27
Seagate NL35 250 ST3250823NS SATA 3 Gb/s 7200 8 250 80.00 3.13
Western Digital VelociRaptor WD3000GLFS SATA 3 Gb/s 10000 16 300 5 99.99 3.00
Western Digital VelociRaptor WD3000HLHX SATA 6 Gb/s 10000 32 300 5 99.99 3.00
Seagate Barracuda 7200.10 ST3250310AS SATA 3 Gb/s 7200 8 250 3 85.00 2.94
Western Digital RE4 WD2503ABYX SATA 3 Gb/s 7200 64 250 5 85.00 2.94
Western Digital AV WD2500AVKX SATA 6 Gb/s 7200 16 250 86.34 2.90
Western Digital AV WD2500AVJS SATA 3 Gb/s 7200 8 250 3 89.99 2.78
Western Digital Caviar Blue WD2500AAKS SATA 3 Gb/s 16 250 3 99.00 2.53
Western Digital Caviar SE WD2500JD SATA 1.5 Gb/s 7200 8 250 109.65 2.28
Seagate Barracuda 7200.10 ST3250820AS SATA 3 Gb/s 7200 8 250 3 114.99 2.17
Western Digital Caviar RE WD2500SD SATA 1.5 Gb/s 7200 8 250 129.95 1.92
Cisco R200-D250GCSATA SATA 7200 250 133.99 1.87
HP Entry 571232-B21 SATA 3 Gb/s 7200 250 139.99 1.79
Western Digital VelociRaptor WD2500HHTZ SATA 6 Gb/s 10000 64 250 142.50 1.75
Seagate Barracuda 7200.10 ST3250620AS SATA 3 Gb/s 7200 16 250 3 143.95 1.74
HP 349239-B21 SATA 1.5 Gb/s 7200 250 145.00 1.72
HP Entry 571230-B21 SATA 3 Gb/s 7200 250 149.28 1.67
Maxtor MaXLine Plus II 7Y250M0 SATA 1.5 Gb/s 7200 8 250 189.00 1.32
Maxtor 7Y250MO SATA 1.5 Gb/s 7200 250 189.00 1.32
HP 411276-B21 SATA 1.5 Gb/s 7200 250 199.99 1.25
HP PY278AA SATA 3 Gb/s 7200 8 250 220.00 1.14
HP Midline 458926-B21 SATA 3 Gb/s 7200 250 230.00 1.09

Price History

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Recent Price Changes

2012-04-18 $99.00 -0.96
2012-04-04 $99.96 +0.15
2012-04-04 $99.81 -0.15
2012-04-03 $99.96 +8.31
2012-04-03 $91.65 -2.53
2012-03-29 $94.18 -2.66
2012-03-29 $96.84 -0.15
2012-03-29 $96.99 -2.73
2012-03-28 $99.72 -0.15
2012-03-28 $99.87 -0.09

Manufacturer's Specs

General
InterfaceSATA 3 Gb/s
Formatted Capacity250,059 MB
User Sectors Per Drive488,397,168
Capacity250 GB
Performance
Buffer To Host (Serial ATA)3 Gb/s (Max)
Buffer Size16 MB
Power
Standby0.97 Watts
Read/Write7.80 Watts
Sleep0.97 Watts
Idle7.20 Watts
Acoustics
Seek Mode 326 dBA (average)
Seek Mode 029 dBA (average)
Idle Mode25 dBA (average)

External links

Western Digital
http://www.wdc.com/
WD2500AAKS
http://www.wdc.com/en/produ...

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