Get from Amazon.com : http://www.amazon.com/gp/product/B00QG3U1CC?tag=hawaiianlegac-20
Hitachi 2TB 64MB Cache 7200RPM 3.5 SATA 6.0Gb/s Internal Desktop Hard Drive - PC Mac CCTV DVR
Capacity 2TB 35 Destkop Hard Drive
Affordable storage for 24x7 heavy duty reliable application
Rotation Speed 7200RPM
Buffer Size 64MB Cache
1 Year Warranty