• Motherboard model
• Motherboard modelDS-80518(V1.0)-3G-2H

• Master Control Unit
• system memory3G

• system parameters
• Number of video access channels32
• Network input bandwidth256Mbps
• Network output bandwidth160Mbps
• Video resolution88MP/6MP/5MP/4MP/3MP/1080p/UXGA/720p/VGA/4CIF/DCIF/2CIF/CIF/QCIF

• Video parameters
• video output1 HDMI, 1 VGA
• HDMI output4K（3840×2160）/30Hz，2K（2560×1440）/60Hz，1920×1080/60Hz，1600×1200/60Hz，1280×1024/60Hz，1280×720/60Hz
• VGA outputDefault and HDMI same source, supports configuration of different sources, 1920 × 1080/60Hz, 1600 × 1200/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz
• CVBS outputnot supported
• Preview split screenScreen 1/2/4/6/8/9/16/25/36
• Video decoding formatH.265; Smart265; H.264; Smart264
• Decoding ability12 × 1080P (supports 16 × 1080P after enabling SVC enhancement mode)
• synchronous playbackRoute 16

• Audio parameters
• Audio decoding formatG.711ulaw; G.711alaw; G.722; G.726; AAC
• audio output1 channel, RCA interface (linear level, impedance: 1K Ω)
• Voice intercom input1, RCA interface (level: 2.0Vp-p, impedance: 1K Ω)

• Hard disk management
• Disk position2 SATA interfaces
• single disk capacityMaximum support 10TB
• Array typenot supported
• Expand storagenot supported

• Video Management
• Video/Capture ModeTimed recording, event recording, motion detection recording, alarm recording, motion testing or alarm recording, motion testing and alarm recording
• playback modeInstant replay, regular replay, event replay, tag replay, intelligent replay, external file replay, log replay
• Backup modeRegular backup, event backup, video clip backup

• network management
• network protocolIPv6, UPnP (Plug and Play), NTP (Network Time), SADP (Automatic IP Address Search), PPPoE (Dial Up), DHCP (Automatic IP Address Acquisition)

• external interface
• network interface1, RJ45 10M/100M/1000M adaptive Ethernet port
• serial interfacenone
• USB port1 USB 2.0 (front), 1 USB 2.0 (rear)
• Alarm input/outputInput 4, output 1

• General specifications
• Power SpecificationsDC 12V 40W）
• Power consumption (excluding hard drive)≤15W
• Operating Temperature-10℃--＋55℃
• Operating Humidity10％～90％
• Chassis dimensions1U 380 chassis 385mm (width) x 315mm (depth) x 52mm (height)
• Weight (excluding hard drive)≤1kg

• other
• Infrared remote controlnot supported