1241.3.69 XVR52XXAN SeriesPlayback Mode Instant playback, normal playback, event playback, mark playback,smart playbackRecordPlaybackMax 4-ch playback Max 8-ch playback Max 16-chplaybackBackup Mode HDD, burner, flash disk, network backup.Alarm Alarm Input 8-ch alarm input 8-ch alarm input 16-ch alarminputAlarm Output 3-ch alarm outputHDD HDD Port 2 SATA ports. Does not support eSATA port.Space/HDD 6TCommunication PortNetwork 1 RJ45 port, 100Mbps Ethernet port 1 RJ45 port,1000MbpsEthernet portCommunicationRS485 portUSB 2 USB2.0 ports(One at the front panel and one atthe rear panel)1 USB2.0 portand 1 USB3.0port (OneUSB2.0 port atthe front paneland oneUSB3.0 port atthe rear panel)Other Power DC12VPowerConsumption(No HDD)≤7W ≤8W ≤10WWorkingTemperature-10℃-+55℃WorkingHumidity10%~90%Dimension 1U case,375mm(W)×280mm(D)×50mm(H)Weight(No HDD) ≤1.5KG ≤1.65KG ≤1.8KGInstallationModeDesk installationModel Parameters XVR5204AN XVR5208AN XVR5216ANSystem Main Processor High-performance industrial embedded micro controllerOS Embedded LINUXVideo Video EncodeStandardH.264