Hikvision NVR 32-Ch 1U AcuSense 4K System Parameter Video Input Channel: 32 Incoming Bandwidth: 256 Mbps Outgoing Bandwidth: 256 Mbps Video Resolution: 12MP/8MP/7MP/6MP/5MP/4MP/3MP/1080p/UXGA/720p/VGA/4CIF/DCIF/2CIF/CIF/QCIF Video Parameter Video Output: 2-ch HDMI, 1-ch VGA HDMI Output: HDMI1 output: 4K (3840 × 2160)/60Hz, 4K (3840 × 2160)/30Hz, 2K (2560 × 1440)/60Hz, 1920 × 1080/60Hz, 1600 × 1200/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz, HDMI1/VGA simultaneous output HDMI2 output:1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz, HDMI2/VGA independent output VGA Output: 1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz, CVBS Output: 1-ch, BNC (1.0 Vp-p, 75 Ω), resolution: PAL: 704 × 576, NTSC: 704 × 480 Live View Window Division: 1/4/6/8/9/16/25/32/36 Aux Port Window Division: 1/4/6/8/9/16/25/32/36 Video Decoding Format: H.265;H.265+;H.264;H.264+;MPEG4 Decoding Capability: 16-ch @ 1080p (30 fps) Synchronous Playback: 16-ch Audio Parameter Audio Decoding Format: G.711ulaw;G.711alaw;G.722;G.726;MP2L2 Audio Output: 1-ch, RCA (Linear, 1 KΩ) Two-Way Audio: 1-ch, RCA (2.0 Vp-p, 1 KΩ) Smart Analysis Face Picture Library: Up to 16 face picture libraries, with up to 10,000 face pictures in total (each picture ≤ 512 KB, total capacity ≤ 150 MB) List Library Capacity: 1w List Library: 16 Face Picture Comparison: 4-ch face picture comparison alarm Face Capture: 1-ch human face capture (HD network camera, up to 4 MP, H.264/H.265) HDD Management HDD No.: 4 SATA interfaces Extended Storage: 1 eSATA interface Recording Management Playback Mode: Normal/Smart, Event, Tag, Eternal File External Port Network Interface: 2, RJ-45 10/100/1000 Mbps self-adaptive Ethernet interface Serial Port: RS-485 (half-duplex), RS-232, Keyboard USB Interface: Front panel: 2 × USB 2.0; Rear panel: 1 × USB 3.0 Alarm Input/Output: 16/4 General Standard Power: ≤ 80W Consumption (Without HDD): ≤ 30W Working Temperature: -10℃～＋55℃ Working Humidity: 10％～90％ Chassis: 1.5U Dimension: 445 × 400 ×75 mm ( 17.5"× 15.7" × 3.0") Weight (Without HDD): ≤ 5.6 kg (12.3 lb)