Amazon.com: Seagate Skyhawk AI 12TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with in-house Rescue Services – Frustration Free Packaging (ST12000VEZ01) :
Refurbished: Seagate IronWolf 12TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s CMR 3.5" Internal HDD for RAID Network Attached Storage ST12000VN0008 - OEM - Newegg.com