Hitachi 
Hitachi 0F12456 3TB 3.5" 7200RPM/ 64MB Sata 6Gb/ s Ultra HDD
$168.50
Seagate 
  Seagate ST1000LX015 1TB 2.5" Gaming SSHD Sata 6.0Gb/ s
$77.25 		  Seagate ST2000DM008 2TB 7200RPM 256MB SATA 6.0Gb/ s 3.5" HDD
$65.05
Seagate ST6000NM0034 6TB 3.5" 7200RPM/ 128MB SAS 12Gbs
$283.05 		Seagate ST640LM001 640GB 5400RPM/ 8MB Sata2 9.5mm OEM
$42.50
Western Digital 
WD WD10EFRX 1TB 3.5" Red 64MB Sata 6Gbs IntelliPower HDD
$85.30 		WD WD2500LPVT 250GB 2.5" 5400RPM/ 8MB Sata II NB HDD OEM
$44.25