Dahua ,48CH 1U INTELLIGENT VIDEO DEVICE, Max. 48-ch IP Camera Inputs, Max. 256/256/256 Mbps Incoming/Recording/Outgoing Bandwidth, Up to 32-ch Face Recognition with Face Detection IPC, Up to 32-ch 2/4 MP Face Recognition/ AI IVS/ Video Metadata/ AcuPick by Recorder, Up to 32-ch 2 MP or 32-ch 4 MP or 16-ch 8 MP WizSeek with AcuPick IP camera (1 AI card for WizSeek modeling),Up to 16-ch 2/4 MP Work Behavior Analysis/ PPE Detection/ Smart Object Detection/ People Behavior Analysis by Recorder,1 Bay, SATA. Max. 20 TB/HDD, 2 HDMI/1 VGA Video Output