DAHUA DHI-NVR4208-4KS2

The DHI-NVR4208-4KS2 is an 8-channel NVR by Dahua. It supports up to 4K resolution, advanced video compression, and offers convenient video management. It has network connectivity, mobile access, and compatibility with Dahua IP cameras and ONVIF-compliant devices. Additionally, it supports RAID for data protection and storage redundancy.

Specifications

System
Main ProcessorIndustrial-grade embedded processor
OSEmbedded Linux
Operation InterfaceWeb/operating in local GUI
Perimeter Protection by Camera
Performance8 channels
AI SearchSearch for pictures by channel, time and event type
Face Detection by Camera
Performance4 channels
Face Attributes6 attributes: Gender, age, glasses, expression, mouth mask, and beard
AI SearchSearch for pictures by channel, time and face attributes
SMD Plus by Camera
Performance8 channels
AI SearchSearch by target classification (human, vehicle)
Video
Access Channel8
Network BandwidthAccess: 160 Mbps; Storage: 160 Mbps; Forward: 64 Mbps
Resolution8MP; 6MP; 5MP; 4MP; 3MP; 1080p; 720p; D1
Decoding Capability8 × 1080p@30 fps


Video Output
1 × VGA output, 1 × HDMI output, supports simultaneous video sources
 output for VGA and HDMI
Multi-screen Display1 , 4, 8, 9 views
Third-party Camera AccessONVIF; RTSP
Compression
VideoSmart H.265/H.265/Smart H.264/H.264/MJPEG
AudioPCM/G711A/G711U/G726/AAC
Network
Network ProtocolHTTP; HTTPS; TCP/IP; IPv4/IPv6; UPnP; SNMP; RTSP; UDP; SMTP;
 NTP; DHCP; DNS; IP Filter; DDNS; FTP; Alarm Server;
IP Search (Support Dahua IP camera; DVR; NVS; etc.); P2P; auto register
Mobile Phone AccessAndroid; iOS
InteroperabilityONVIF(profile T/S/G); CGI; SDK
BrowserChrome; IE9 or later; firefox
Record Playback
Multi-channel PlaybackUp to 8 channels for playback
Record ModeManual record; alarm recording; SMD recording; smart recording
StorageLocal HDD; network
BackupUSB storage device
Playback Function1. Play/pause/stop/slow/quick/backward/by frame
2. Full screen, backup (video clip/file), partial zoom in, and audio on/off
Storage
Disk GroupYes
Alarm
General AlarmMotion detection, privacy masking, video loss, scene changing, PIR alarm,
 IPC external alarm
Anomaly AlarmCamera disconnection, storage error, disk full, IP conflict, MAC conflict,
login locked, and cybersecurity exception
Intelligent AlarmFace detection, perimeter protection (intrusion and tripwire), IVS,
people counting, heat map, and SMD alarms
Alarm LinkageRecording, snapshot, audio, buzzer, log, preset, and email
External Port
Audio Input1 × RCA input
Audio Output1 × RCA output
HDD2 SATA III ports, up to 10 TB for a single HDD. The maximum HDD capacity
varies with environment temperature
Alarm Input4
Alarm Output2
USB2(1 × front USB2.0; 1 × back USB2.0)
HDMI1 (supports up to 4K resolution output)
VGA1
Network1 × RJ-45, 10/100/1000 Mbps self-adaptive Ethernet port
General Parameter
Power SupplyDC12 V, 4 A
Power Consumption< 10 W (HDD not included, idling)
Net Weight1.51 kg (3.33 lb)
Gross Weight2.76 kg (6.08 lb)
Product Dimensions375 mm × 282.4 mm × 53 mm (14.76" × 11.12" × 2.09") (W × L × H)
Package Dimensions141 mm × 433 mm × 366 mm (5.55" × 17.05" × 14.41") (W × L × H)
Operating Conditions–10 °C to +55 °C (+10 °F to +131 °F)
Storage Conditions0 °C to +40 °C (32 °F to 104 °F)
Operating Humidity10?~93?
Storage Humidity30%~85%
Operating Altitude3000 m (9842.52 ft)
InstallationDesktop mounted
CertificationsCE: EN62368-1; EN55032,EN55024, EN55035, EN61000-3-2, EN61000-3-3 EN50130-4
FCC: Part 15 Subpart B

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