Toshiba DT01ABA300V 3TB 32MB Cache 5900RPM SATA III 6.0Gb/s 3.5" Internal Desktop AV Hard Drive (PC, NAS, CCTV DVR) - w/ 3 Year Factory Warranty 3 TB of Storage Capacity 3.5-inch, SATA III 6.0 Gbit/s, 5900RPM Works for PC, NAS, NVR, CCTV DVR Quiet & Low power operation 3 Years Factory Warranty , (Expired 2019)