WD Blue – hard drive – 500 GB – SATA 6Gb/s

WD Black WD5000LPSX – Hard drive – 500 GB – internal – 2.5 – SATA 6Gb/s – 7200 rpm – buffer: 64 MB

WD Red Pro WD6003FFBX 6 TB 3.5 Internal Hard Driv

WD Gold WD6003FRYZ – hard drive – 6 TB – SATA 6Gb/s

WD Blue WD60EZAZ – hard drive – 6 TB – SATA 6Gb/s

WD Purple WD60PURZ – hard drive – 6 TB – SATA 6Gb/s