Dahua DHI-NVR7A24DR-256 Features
System
- 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
 
Video & Audio
- 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
- 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
 
Display
- Interface 2 HDMI +1 VGA ( Optional : 6 HDMI , 1 VGA )
 - Video Output 2 HDMI/1 HDMI+1 VGA (Optional: 6 HDMI sync output / 1 VGA+5 HDMI sync output)
 - 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
 
Storage
- Internal HDD 24 SATA ports, up to 96TB
 - HDD Mode Single, Raid 0, Raid 1, Raid 5 (Support global HDD Hot-standby)
 - HDD Installation Independent HDD rack, support hot swap
 
Network
- Interface 4 RJ-45 ports (10/100/1000Mbps)
 - Ethernet Port 4 Ethernet ports joint working or 4 independent 1000Mbps Ethernet ports
 
MD & Alarm
- 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
 
Auxiliary 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
 
General
- Power Supply AC 100V~240V,47~63Hz
 
Redundant
- Power Consumption 200W~400W (With HDD)
 - Working Environment 0ËšC~40ËšC
 - Working Humidity 10%~80% ( non-condensation)
 - Dimension (W×D×H) 4U, 480mm×494mm×175mm
 - Weight 29kg (without HDD)
 - Installation Rack-mounted
 






