MDD 4TB 64MB Cache 5900PM SATA 6.0Gb/s 3.5-inch Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6459DVR) - 2 Year Warranty (Renewed)

- 4TB Capacity, 5900RPM 64MB Cache 3.5in Surveillance HDD - Estimate Record : 112 Days (30FPS, 720P) - Quiet Operation, Low power consumption, cool temperature - Designed for 24/7 Operation, Enhanced for Video Stream, Optimized for Surveillance