FLIR Digimerge DNR7240 Series 4K HD Security Network Video Recorder, 24 Channel, 24 PoE Port, 2 HDD Slot, Max 16TB, Supports 720p/1080p/3MP/4MP/2K/5MP/8MP/4K Flir, Lorex, and Dahua IP Cameras, Dahua DMSS, Black, NO HDD Preinstalled