The TurboHD Tribrid 16-Channel 3MP DVR with No HDD from Hikvision enables you to record from and manage up to 16 cameras. This DVR offers full channel recording at up to 3MP resolution. It comes with no HDD preinstalled. Storage is expandable to two SATA HDDs each with a maximum 8TB capacity, for a total of 16TB. A BNC interface supports HD-TVI and analog cameras, and a self-adaptive Ethernet interface supports IP cameras up to 4MP on two channels. H.265+, H.265, H.264+, and H.264 video compression keep file sizes manageable while maintaining quality.