FLIR Digimerge DNR8320 Series 4K HD Security Network Video Recorder, 32 Channel, 16 PoE Port, 4 HDD Slot, Max 24TB, Supports 720p/1080p/3MP/4MP/2K/5MP/8MP/4K Flir, Lorex, and Dahua IP Cameras, Dahua DMSS, Rack Mount, Black, NO HDD Preinstalled