WL 3TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5 Desktop Hard Drive (For Server RAID NAS DVR Desktop PC) w/1 Year Warranty: Internal Hard Drives: Amazon.com.au
Refurbished HGST Ultrastar 7K4000 HUS724030ALS640 3TB SAS 6Gbps 7.2K 3.5" Hard Drives | Reboot IT
Western Digital WD Purple 3.5" 3TB SATA Internal Surveillance Hard Drive HDD WD30PURX (C) | PCByte Australia