| Model | DH-NVR724-256 | DH-NVR724D-256 | DH-NVR724R-256 | DH-NVR724DR-256 | |
|---|---|---|---|---|---|
| Main Processor | Intel® Core™ i7 Processors | ||||
| Operating System | LINUX | ||||
| Motherboard | Embedded Board (Support 7x24 operation) | ||||
| Memory | 8GB DDR3 (up to 16GB) | ||||
| Case | Hot-dipped galvanized sheet steel(1.2mm thickened), High-precise aluminum alloy slide, Patented pull-out rack design | ||||
| Fan | Dual ball screw bearing fan, MTBF>100,000h, support replacement during operation | ||||
| Interface | Local GUI & WEB GUI | ||||
| Input | 128ch@1080P/256ch@720P | ||||
| Transmission | 128ch@1080P/256ch@720P | ||||
| Recording | 128ch@1080P/256ch@720P | ||||
| Preview | 20ch@1080P/40ch@720P/68ch@D1 (Screen 1 2 , default) + 16ch@1080P/16ch@720P/16ch@D1(Screen 3 6) (Optional) | ||||
| Playback | 16ch@1080P/16ch@720P/16ch@D1 (128Mbps in Raid 5 mode) 8ch@1080P/16ch@720P/16ch@D1 (64Mbps in single HDD mode) | ||||
| Recording Resolution | 8Mp, 5Mp, 3Mp, 1080P, 720P, 960H, D1, CIF, QCIF, VGA | ||||
| Audio | 1ch Mic in, 1ch Mic out | ||||
| Recording Mode | Manual, Schedule(Regular(Continuous), MD(Video detection: Motion detection, Camera blank, Video loss, Alarm), Stop | ||||
| Alarm Recording | Video loss, Camera blank, Motion detection, External alarm | ||||
| Backup Mode | Network download / USB HDD/USB CD&DVD-RW / eSATA Device | ||||
| Interface | 2 HDMI +1 VGA ( Optional : 10 HDMI , 1 VGA ) | ||||
| Video Output | 2 HDMI/1 HDMI+1 VGA (Optional: 1 VGA+10 HDMI) | ||||
| Multi-screen Display | The 1st screen: 1/4/8/9/16/25/36/64 The 2nd-6th screens: 4 (optional) | ||||
| Privacy Masking | 4 customized zones for privacy masking for each area | ||||
| Internal HDD | 24 SATA ports, up to 96TB | ||||
| HDD Mode | Single, Raid 0, Raid 1,Raid 5,Raid 6,Raid 10,Raid 50,Raid 60 (Support global HDD Hot-standby) | ||||
| HDD Installation | Independent HDD rack, support hot swap | ||||
| Interface | 4 RJ-45 ports (10/100/1000Mbps) | ||||
| Ethernet Port | 4 Ethernet ports joint working or 4 independent 1000Mbps Ethernet ports | ||||
| Motion Detection | Zones: 396(22× 18), Sensitivity: 1~6 (level 6 is highest) | ||||
| Alarm Input | 4ch, low level effective, green terminal interface | ||||
| Relay Output | 4ch, Relay contact (1A@24VDC), NO/NC programmable, green terminal interface | ||||
| Front cover | Support hot swap, 7" inch HD LCD (1920x1080/1280x1024/1024x768) (Model –D & DR) | ||||
| USB | 4 USB ports (2 USB2.0 on front-panel, 2 USB3.0 on rear panel) | ||||
| eSATA | 1 eSATA port | ||||
| SAS | 2 Mini SAS ports | ||||
| Power Supply | AC 100V~240V, 47~63Hz | AC 100V~240V,47~63Hz, Redundant | |||
| Power Consumption | 200W~400W (With HDD) | ||||
| Working Environment | 0˚C~40˚C | ||||
| Working Humidity | 10%~80% ( non-condensation) | ||||
| Dimension(W×D× H) | 4U, 480mm× 494mm× 175mm | ||||
| Weight | 29kg (without HDD) | ||||
| Installation | Rack-mounted | ||||
