HP

  Model Form Factor Interface RPM Cache (MB) Size (GB) Best Price Vendor Value (GB/$)
  PY278AT SATA 3 Gb/s 250 59.99 Newegg.com 4.17
  GE262UT 3.5" SATA 3 Gb/s 7200 1000 276.99 Amazon Marketplace 3.61
  PV943UT 3.5" SATA 3 Gb/s 7200 500 139.99 Newegg.com 3.57
  395473-B21 3.5" SATA 1.5 Gb/s 7200 500 159.50 Amazon Marketplace 3.13
  349239-B21 3.5" SATA 1.5 Gb/s 7200 250 80.00 Amazon Marketplace 3.13
  PY278AA 3.5" SATA 3 Gb/s 7200 8 250 99.00 Buy.com 2.53
  EA788UT#ABA 3.5" SATA 3 Gb/s 7200 250 99.99 Newegg.com 2.50
  PV944UT 3.5" SATA 3 Gb/s 7200 160 70.83 Amazon Marketplace 2.26
  PY277AA 3.5" SATA 3 Gb/s 7200 160 89.00 Amazon Marketplace 1.80
  PV944A 3.5" SATA 3 Gb/s 7200 160 99.99 Newegg.com 1.60
  AS282AA#ABA 2.5" SATA 7200 320 249.00 Amazon Marketplace 1.29
  EM174UT SAS 3 Gb/s 15000 300 300.88 Amazon Marketplace 1.00
  454232-B21 3.5" SAS 3 Gb/s 15000 450 479.50 Amazon Marketplace 0.94
  416127-B21 3.5" SAS 3 Gb/s 15000 300 359.50 Amazon Marketplace 0.83
  418367-B21 2.5" SFF SAS 3 Gb/s 10000 146 205.00 Amazon Marketplace 0.71
  411089-B22 3.5" SCSI Ultra320 15000 300 459.50 Amazon Marketplace 0.65
  384854-B21 3.5" SAS 3 Gb/s 15000 146 269.50 Amazon Marketplace 0.54
  504062-B21 2.5" SAS 3 Gb/s 15000 146 335.00 Amazon Marketplace 0.44
  418371-B21 2.5" SFF SAS 3 Gb/s 15000 72 270.99 Buy.com 0.27
Enterprise
  516828-B21 3.5" SAS 6 Gb/s 15000 600 650.00 Amazon Marketplace 0.92
  492620-B21 2.5" SFF SAS 3 Gb/s 10000 300 330.00 Amazon Marketplace 0.91
  507125-B21 2.5" SFF SAS 6 Gb/s 10000 146 215.00 Amazon Marketplace 0.68
  507127-B21 2.5" SFF SAS 6 Gb/s 10000 300 499.00 Buy.com 0.60
  417855-B21 3.5" SAS 3 Gb/s 15000 146 348.99 Buy.com 0.42
  512547-B21 2.5" SFF SAS 6 Gb/s 15000 146 392.99 Buy.com 0.37
  512545-B21 2.5" SFF SAS 6 Gb/s 15000 72 235.00 Amazon Marketplace 0.31
Entry
  571230-B21 3.5" SATA 3 Gb/s 7200 250 116.99 Buy.com 2.14
  571232-B21 3.5" SATA 3 Gb/s 7200 250 116.99 Amazon Marketplace 2.14
  458945-B21 3.5" SATA 1.5 Gb/s 7200 160 99.25 Buy.com 1.61
  460355-B21 2.5" SATA 3 Gb/s 5400 250 262.99 Buy.com 0.95
  516816-B21 3.5" SAS 6 Gb/s 15000 450 600.00 Amazon Marketplace 0.75
  516814-B21 3.5" SAS 6 Gb/s 15000 300 451.99 Amazon Marketplace 0.66
  516824-B21 3.5" SAS 6 Gb/s 15000 300 512.99 Buy.com 0.58
  458924-B21 2.5" SATA 1.5 Gb/s 5400 120 209.00 Buy.com 0.57
Midline
  461137-B21 3.5" SAS 3 Gb/s 7200 1000 345.00 Amazon Marketplace 2.90
  454146-B21 3.5" SATA 3 Gb/s 7200 1000 388.00 Amazon Marketplace 2.58
  458941-B21 3.5" SATA 3 Gb/s 7200 500 220.00 Amazon Marketplace 2.27
  458930-B21 3.5" SATA 7200 750 338.99 Buy.com 2.21
  458928-B21 3.5" SATA 3 Gb/s 7200 500 243.99 Buy.com 2.05
  507750-B21 2.5" SATA 3 Gb/s 7200 500 261.98 Amazon Marketplace 1.91
  458939-B21 3.5" SATA 3 Gb/s 7200 250 144.99 Newegg.com 1.72
  458926-B21 3.5" SATA 3 Gb/s 7200 250 154.00 Amazon Marketplace 1.62
  507610-B21 2.5" SAS 6 Gb/s 7200 500 342.99 Amazon Marketplace 1.46
  530888-B21 2.5" SATA 3 Gb/s 7200 160 233.99 Buy.com 0.68
P2000
  AP858A 3.5" SAS 6 Gb/s 15000 500 499.99 Amazon Marketplace 1.00
  AP860A 3.5" SAS 6 Gb/s 15000 600 774.99 Buy.com 0.77
  AP859A 3.5" SAS 6 Gb/s 15000 450 590.99 Buy.com 0.76
Raptor
  EW222UT 3.5" SATA 3 Gb/s 10000 160 179.98 Buy.com 0.89
RDX
  Q2042A 2.5" 5400 500 216.99 Amazon Marketplace 2.30
  Q2041A 2.5" 5400 320 154.71 Newegg.com 2.07
  Q2040A 2.5" 5400 160 126.96 Newegg.com 1.26
StorageWorks MSA2
  AJ740A 3.5" SATA 3 Gb/s 7200 1000 401.99 Buy.com 2.49
  AJ738A 3.5" SATA 3 Gb/s 7200 500 291.99 Amazon Marketplace 1.71
  AJ737A 3.5" SAS 3 Gb/s 15000 450 624.99 Buy.com 0.72
StorageWorks P2000
  AW556A 3.5" SATA 3 Gb/s 7200 2000 750.99 Buy.com 2.66

External links

HPhttp://www.hp.com