Seagate Skyhawk 4TB Video Internal Hard Drive HDD 3.5 Inch SATA 6Gb/s 64MB Cache for DVR NVR Security Camera System with Drive Health Management...

Seagate Skyhawk 4TB Video Internal Hard Drive HDD 3.5 Inch SATA 6Gb/s 64MB Cache for DVR NVR Security Camera System with Drive Health Management and in-House Rescue Services (ST4000VXZ16/016) Brand: Seagate RPM: 7200 RPM Form Factor: 3.5-inch Interface: serial_ata Cache: 256 unknown_modifier Flash Memory Capacity: 4 TB Features: Portable Usage: Mechanical Hard Disk