ST8000VX0002 Seagate Surveillance 8TB 7200RPM SATA Hard Drive
Amazon.com: Seagate SkyHawk 8TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management (ST8000VX0022) : Electronics
Cheap Seagate ST10000VX0004 10TB 7.2K RPM SATA 6GBPS | Refurbished