| Model | NVR-4K8B28R-A/D/G/B/R |
| System | |
| Operating System | Embedded LINUX |
| Max Preview Channel | 128CH |
| Video & Audio Input | |
| Bandwidth | 800Mbps |
| IPC Input | 12MP/4K/1080P/720P/D1 |
| Video & Audio Decoding | |
| Video Compression | H.265[$add]/H.265/H.264 |
| Audio Compression | G.711A/G.711U |
| Preview | 12MP/8MP/5MP/4MP/3MP/1080p/960p/720p/D1/2CIF/CIF |
| Multi-screen Split | Support 1/2/4/6/8/9/10/16/25/36/49/64/128 screen real-time preview |
| Single-Screen Mode(Split-screen/Decoder) | 1(8K),2(2*12MP),4(4*12M),6(12M[$add]5*1080P),8(12M[$add]7*1080P),9(9*4K),10(2*4K[$add]8*3MP),16(16*5MP),25(25*3MP),36(36*D1),49(49*D1),64(64*D1),128(128*D1) |
| Dual-Screen Mode(Split-screen/Decoder) | 1(8K),2(2*12MP),4(4*4K),6(12M[$add]5*1080P),8(12M[$add]7*1080P),9(9*3MP),10(2*4K[$add]8*1080P),16(16*1080P),25(25*D1),36(36*D1),64(64*D1),81(81*D1),100(100*D1) |
| Four-Screen Mode(Split-screen/Decoder) | 1(12M),2(2*4K),4(4*5MP),6(4K[$add]5*1080P),8(5MP[$add]7*1080P),9(9*1080P),10(10*1080P),16(16*D1),25(25*D1),36(36*D1),49(49*D1) |
| Recording & Playback | |
| Recording Mode | Scheduled/Alarm Recording |
| Playback | Multi-channel PlaybackChannels: Up to 16 simultaneousDecoding: Maintains full resolution consistent with live viewing mode. |
| Playback Mode | Regular payback, event playback |
| Display Mode | 1)Mode 1: 1 pc HDMI output (12MP/D1[$add]128CH Preview[$add]16CH playback) |
| 2) Mode 2: 2 pcs HDMI output (12MP/D1[$add]2 screens 64CH Preview[$add]16CH playback) | |
| 3) Mode 3: 4 pcs HDMI output (8MP/D1[$add]4 screens 36[$add]36[$add]36[$add]36CH Preview[$add]16CH playback) | |
| Other Function | |
| Smart Detection | Human Detection, Line-Crossing Detection, Area Intrusion, Loitering, Absent Detection, Vehicle Illegal Parking, Vehicle Retrograde (need front end IPC supported) |
| Motion Detection | Support |
| PA System | Support |
| Alarm Push | Alarm Capture, send alarm information by email |
| Storage | |
| SATA | 24*SATA HDD |
| ESATA | 1 ESATA Expansion port |
| Capacity | Max 24*16TB HDD |
| Storage Path | Local hard disk, network HDD(IPSAN,NAS) |
| Backup method | USB portable HDD, USB disk, Network |
| RAID | 0/1/5/6/10 RAID pattern |
| Network | |
| Network Protocols | TCP/IP,IPv4,DHCP,NTP,RTSP,ONVIF,P2P,GB28181,DDNS,UPNP |
| Connect Protocol | RTSP,SLINK,ONVIF,I9,Hikvision private protocol. |
| P2P | Support |
| APP | iPhone, Android |
| PC | Support |
| Login | HTML5 remote login operation |
| User Management | Maximum support 32 local user |
| Online Upgrade | Supports online NVR upgrade |
| IPC Upgrade | Support (specified model IPC) |
| Others | Support Channel Tour Round GroupingRTMP pushSupport offline recording function |
| Interface | |
| Network Interface | 2pcs RJ 45 1000M Port |
| USB Interface | 3pcs USB 2.0 |
| Video Output | VGA:/ |
| HDMI:1CH 3840*2160, 1920×1080,1280×1024,1280×720,1024×768 | |
| Audio I/O | 1/1 RCA Port |
| Alarm I/O | 16 CH Input/ 8 CH Output |
| RS-485 | 1 pc RS-485 port |
| HDMI | 4 pcs |
| General | |
| Installation | Desktop Installation |
| Power Supply | ATX110-220V 750W |
| Working Conditions | Temperature: -10℃∼55℃; Humidity: 10%∼90% |
| Product Dimension | |
| Size (mm) | 482.6*602.5*174.1mm(W×L×H) |
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