Amazon.com: Toshiba 8TB N300 NAS 3.5 Inch SATA Internal Hard Drive. 24/7 Operation, Supports 1-8 Bay Systems, 256 MB Cache, 180TB/Year Workload, 3 Year Warranty (HDWG480UZSVA) : Electronics
Toshiba 8TB SAS 7.2K RPM 512e 3.5" Internal Hard Drive (MG06SCA800E)
Toshiba S300 Surveillance Hard drive 8 TB internal 3.5 SATA 6Gbs 7200 rpm buffer 256 MB - Office Depot