Two-way audio input|1-ch, RCA (2.0 Vp-p, 1kΩ)IP video input|64-chRemote connection|128Incoming bandwidth|320Mbps or 200Mbps(when RAID is enabled)Outgoing bandwidth|256Mpbs or 200Mbps(when RAID is enabled)HDMI/VGA output|2-ch, resolutionHMDI1/VGA1:HDMI1: 4K (3840 × 2160)/60Hz, 4K (3840 × 2160)/30Hz, 2K (2560 × 1440)/60Hz, 1920 × 1080p/60Hz, 1600 × 1200/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz VGA1: 2K (2560 × 1440)/60Hz, 1920 × 1080p/60Hz, 1600 × 1200/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz HDMI2/VGA2:1920 × 1080p/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60HzRecording Resolution|12MP/8MP/6MP/5MP/4MP/3MP/1080p/UXGA/720p/VGA/4CIF/DCIF/2CIF/CIF/QCIFAudio Output|2-ch, RCA (2.0Vp-p, 1KΩ)Synchronous Playback|16-chCapability|4-ch@4K, 16-ch@1080pLive view / Playback|12MP/8MP/6MP/5MP/4MP/3MP/1080p/UXGA/720p/VGA/4CIF/DCIF/2CIF/CIF/QCIFInterface Type|1 eSATA interfaceSATA|16 SATA interfaces for 16 HDDsCapacity|Up to 6TB capacity for each HDDArray type|RAID0, RAID1, RAID5, RAID6, RAID10Number of array|5Network Interface|2 RJ-45 10/100/1000Mbps self-adaptive Ethernet interfacesSerial Interface|RS-232, RS-485, KeyboardUSB Interface|Front panel: 2 × USB 2.0 Rear panel: 1 × USB 3.0Power Supply|100 to 240 VAC, 50 to 60 HzConsumption(without hard disk and POE)|≤ 45 WWorking Temperature|-10 oC ~ +55 oC (+14 oF~ + 131 oF)Working Humidity|10 % ~ 90 %Chassis|19-inch rack-mounted 3U chassisDimensions|445 × 496 × 146 mm (17.5 × 19.5 × 5.7")Weight(without HDD)|≤ 12.5 Kg (27.6 lb)