... support 7x24 hour operation)Memory2GB(expandable), Server class(with ECC parity)ChassisSelf-designed chassis adopts 1.2mm ... steel sheet, High accurate aluminum alloy slide, Self-patent drawer-type HDD rackUser InterfaceWEB GUIPerformanceRecordingD1: 120 channels, ... portsEnvironmentalPower Supply100V-240Vac, 47-63HzPower Consumption280W~490W(with HDD)Working Temperature5°C~40°CWorking Humidity10%~80 ...