Seagate ST4000VX007 Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VXZ07) Mechanical Hard Disk

SkyHawk is the world’s first purpose-built video drive for video camera surveillance systems. Designed for DVR and NVR systems to support 24×7 workloads and up to 64 HD cameras, these drives come equipped with enhanced ImagePerfect to minimize dropped frames and include SkyHawk Health Management (SHM)..