With 500 GB of storage, this is a good hard drive if you need a larger storage unit. It has a 7,200 rpm rotation speed.
From Ecprof
ST500DM009 - 500GB 3.5 Barracuda SATA HD
EE Store
Seagate 500GB BarraCuda SATA 6Gb/s 32MB 3.5 Internal Drive
AA2Z Supply
SEAGATE ST500DM009 BARRACUDA 500GB 7200RPM SATA-6GBPS 32MB BUFFER 3.5INCH FORM FACTOR INTERNAL HARD DISK DRIVE. BULK. .