RC-NR21P8-8D

8-Channel · 2 SATA · 1U · 8 PoE · 4K NVR

Compact 8-channel 4K NVR designed for reliable medium-scale surveillance.
Supports H.265+ compression for efficient storage management.
Dual HDMI and VGA outputs deliver crisp high-resolution video.
Equipped with 8 PoE ports for seamless IP camera connectivity.
Smart Motion Detection 2.0 and VCA event support enhance intelligent monitoring.
Ideal for retail, office, and small enterprise security deployments.

Product Overview

The RC-NR21P8-8D is a 1U 8-channel NVR providing high-definition 4K recording with multi-format video compression including H.265+ for optimized storage. It features 8 PoE ports for simplified camera installation and network management. The recorder supports up to 2 SATA HDDs, each up to 8 TB, and smart search / smart playback for efficient footage review. Advanced analytics such as Motion Detection 2.0, line crossing, and intrusion detection enable proactive security measures. With simultaneous HDMI and VGA outputs—HDMI up to 4K resolution—the NVR ensures clear, flexible monitoring. This model is tailored for small to medium surveillance networks requiring reliable, feature-rich solutions.

Professional & Reliability

H.265+ compression reduces storage space by up to 75%.

HD Video Output

Simultaneous HDMI and VGA outputs
HDMI video output at up to 4K resolution

Storage & Playback

2 SATA interfaces — up to 8 TB capacity per HDD
Smart search / smart playback for efficient review

Smart Function

Motion Detection 2.0 — human & vehicle classification
Support for multiple VCA events
Configurable smart functions (motion, line crossing, intrusion)

Network & Ethernet Access

8 independent PoE network interfaces
1 self-adaptive 10/100 Mbps Ethernet interface
Free cloud mobile app for easy network management

Specifications

Video / Audio Input
IP Video Input	8-ch, up to 8 MP
Two-Way Audio Input	1-ch, RCA (2.0 Vp-p, 1 kΩ)
Incoming Bandwidth	80 Mbps
Outgoing Bandwidth	80 Mbps
Video / Audio Output
HDMI Output	1-ch, 4K (3840 × 2160)/30 Hz, 2K (2560 × 1440)/60 Hz, 1920 × 1080/60 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz
VGA Output	1-ch, 1920 × 1080/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz
Audio Output	1-ch, RCA (Linear, 1 kΩ)
Frame Rate	Main stream: 50 fps (P) / 60 fps (N); Sub-stream: 50 fps (P) / 60 fps (N)
Decoding & Playback
Decoding Format	H.265+ / H.265 / H.264+ / H.264
Recording Resolution	8 MP / 6 MP / 5 MP / 4 MP / 3 MP / 1080p / UXGA / 720p / VGA / 4CIF / DCIF / 2CIF / CIF / QCIF
Decoding Capability	2-ch @ 4K or 8-ch @ 1080p
Synchronous Playback	8-ch
Playback	Instant playback, smart search, smart playback
AI / Smart Features
Motion Detection 2.0	Human and vehicle target classification
VCA Detection	Line crossing, intrusion detection; VCA alarm recording
Storage Management	HDD quota allocation per channel
Network
Network Interface	1 × RJ-45 10/100 Mbps self-adaptive Ethernet interface
Network Protocols	TCP/IP, DHCP, Cloud P2P, DNS, DDNS, NTP, SMTP, NFS, iSCSI, UPnP™, HTTPS
Third-Party Cameras	ONVIF-compatible
Remote Access	Free cloud mobile app (P2P), web browser access
PoE
PoE Ports	8 × RJ-45 10/100 Mbps self-adaptive
PoE Standard	IEEE 802.3 af/at
Max PoE Power	≤ 120 W
Storage
HDD	2 × SATA interfaces (2 HDDs)
Capacity	Up to 8 TB per disk
External Interface
USB	1 × USB 2.0 (front) + 1 × USB 3.0 (rear)
General
Power Supply	DC 48V, 2.5 A
Consumption	≤ 15 W (without HDD, PoE off)
Working Temperature	-10 °C to +55 °C (14 °F to 131 °F)
Working Humidity	10% to 90%
Chassis	1U
Dimensions (W × D × H)	385 × 315 × 52 mm (15.2" × 12.4" × 2.0")
Weight	≤ 2.6 kg (5.7 lb) without HDD