D25 Video 1TB Hard Disk for HIKVISION DS-7104HGHI-K1 4 Channel HD DVR 1 TB Surveillance Systems Internal Hard Disk Drive (HDD) (1TB Hard Disk for CCTV Camera DVR | 2 Year Warranty) -
Hikvision can't find new HDD, states "HDD Error" and nothing else.. (brand new setup) : r/Hikvision
6TB HDD - Surveillance HDD for Hikvision DVRs & NVRs