Features2-bay Network Video Recorder, uses inexpensive 3.5・SATA drivesMaximum Capacity: 8TB (2 x 4TB)Records simultaneously from up to 9 IP camerasSupport for D-Link, Axis, Panasonic, Sony, Mobotix, Arecont Vision, IQinVision, Cisco and Acti cameras1M-JPEG, MPEG4 and H.264 image compression technologiesSimultaneous live view, recording and playbackSmart Search function to quickly identify images of interestWeekdays or daily scheduled recordingAudio & video recording in synchronizationRecording Type: Motion detection record, record by schedule, manual recordContinuously recording with automatic overwrite functionPower fail recovery functionRAID 1 technology to automatically mirror the contents of one Hard Drive to anotherGigabit connectivity for fast transmission speedsUser/group quotas for security and confidentialityHDDHDD reformatRAID 0, 1JBODCapacityMaximum 8TB (2 x 4TB HDD)SecurityCover lockSecurity slot for Kensington locksMemoryFlash ROM: 32 MBRAM: 128 MB DDR IIInterfaces1x Gigabit LAN port1x USB port for USP status updatePowerDC 12V / 4AMax. power consumption: 25.20 WStand-by power consumption: 0.234 WTemperatureOperation: 0 to 55 ｰCStorage: -20 to 70 ｰCHumidity5% to 90% (non-condensing)Dimensions (W x D x H)115 x 146.4 x 178.5 mmWeight0.875 KgCertificationsCEFCCRoHSSoftwareOperating systemLinuxSupported CamerasSupports all D-Link network cameras.Includes support for auto-discovery and megapixel resolutionSupports known-brand network cameras including D-Link, Axis, Panasonic, Sony, Mobotix, Arecont Vision, IQinVision, Cisco, and ActiRecording PerformanceMax. capacity (NVR mode only):H.264 1080P (bitrate): 90 MbpsH.264 720P (bitrate): 90 MbpsMJPEG 1080P (frame rate): 90 fpsMJPEG 720P (frame rate): 192 fpsMax. capacity (NVR+File Server mode):H.264 1080P (bitrate): 68 MbpsH.264 720P (bitrate): 68 MbpsMJPEG 1080P (frame rate): 70 fpsMJPEG 720P (frame rate): 150 fpsCamera SearchUPnPAudio & Video RecordingSynchronized audio & video recordingCompression FormatH.264, MPEG-4, M-JPEG (for supported cameras)Video SettingResolution, quality, frame rate, enable audio, go to camera interfaceRecording TypeRecording by schedule, manual and event (DI trigger, motion detection from camera)Remote Live ViewSupported via IE remote live viewerMaximum 9 simultaneous channelsRemote Live View ControlLive view, preset/go, patrol, focus, PTZ functions, snapshot, full screen, digital zoomRemote Playback ControlPlayback with normal, fast forward/rewind and step forward/rewindSmart Search intelligent detection function: General Motion, Missing Object, Foreign Object, Camera Occlusion, Lose FocusRemote PlaybackSupported via IE and NVR clientPlayback system with timeline GUI, search by event, area, cameras, date, and timeIE & NVR client support four channel simultaneous playbackOverwrite RecordingAuto recycling when disk storage is fullFile ExportExport videos to AVI or ASF fileExport images to BMP or JPG fileUser AccountAdditional accounts can be created to allow user access to the system and specify authorization for camera channels, PTZ, etc.DDNSD-Link DDNS server supportReset modesReset firmware GUI buttonHW reset button (hold for 5 seconds)System TimeSet the system time (D-Link NTP, input time, sync with computer, Daylight Saving Time)Remote BackupRemote software can backup raw data to redundant storageBackup recorded data to remote FTP site by daily scheduleStatusCamera statusSystem statusNetwork Service ProtocolsIPV4, ARP, TCP, UDP, ICMPDHCP ServerDHCP ClientNTP Client (D-Link)DNS ClientDDNS Client (D-Link)SMTP ClientHTTP ServerPPPoEUPnPIP filteringSamba ServerUser InterfaceSpecificationHTTP Web browserInternet Explorer 7 or laterNVR Search utilityMultiple Language GUI