Toshiba 3 Terabyte 3TB SATA III SATA 600 7200RPM 64MB Hard Drive 3 TB of Storage Capacity Rotational Speed: 7200 RPM, Cache: 64 MB Interface: SATA 6.0 Gb/s , Form Factor: 3.5 inch Works for NAS, RAID, Backup Storage, Server, PC/Mac, Security CCTV DVR 2 Years from Reseller