64-Channel Network Video Recorder NVR508-E-R Series
The UNITED DIGITAL NVR508-E-R Series is a professional-grade 64-channel network video recorder engineered for enterprise surveillance deployments requiring high-capacity storage, advanced codec support, and reliable redundancy. This 64-channel NVR delivers Ultra 265/H.265/H.264 compression, supporting up to 32MP resolution recording across all channels simultaneously. Built for security integrators and large-scale monitoring operations, the NVR508-E-R combines scalable storage with hot-swap capability and N+1 redundancy to ensure continuous operation in mission-critical environments.
Key Features
- 64-channel IP video input with ONVIF and RTSP camera compatibility
- Ultra 265/H.265/H.264 codec support for optimized compression
- Up to 32MP resolution recording across all channels
- 8 SATA HDD bays supporting drives up to 16TB each (128TB total capacity)
- Configurable RAID storage for data protection and redundancy
- N+1 hot spare functionality for automatic failover
- Hot-swappable HDD design for zero-downtime maintenance
- Dual HDMI and dual VGA video outputs
- Optional redundant power supply for uninterrupted operation
- ANR (Automatic Network Replenishment) technology for improved reliability during network disconnection
Technical Specifications
| Specification |
Details |
| Manufacturer |
UNITED DIGITAL |
| Model |
NVR508-E-R Series |
| Part Number |
NVR508-64E-R |
| Video Input Channels |
64 IP channels |
| Camera Compatibility |
ONVIF, RTSP |
| Video Codecs |
Ultra 265, H.265, H.264 |
| Max Resolution |
32MP per channel |
| Storage Bays |
8 SATA HDD slots |
| Max HDD Capacity |
16TB per drive (128TB total) |
| Storage Features |
RAID configurable, N+1 hot spare, hot-swap |
| Video Outputs |
Dual HDMI, Dual VGA |
| Power Supply |
Standard (optional redundant PSU) |
| Network Features |
ANR (Automatic Network Replenishment) |
Frequently Asked Questions
What is a 64-channel network video recorder used for?
A 64-channel NVR is designed for large-scale surveillance deployments in enterprise environments, data centers, campuses, and critical infrastructure. It simultaneously records from up to 64 IP cameras, providing centralized video management, storage, and playback for comprehensive security monitoring.
How much video can the NVR508-E-R store?
With 8 SATA HDD bays supporting up to 16TB drives each, the NVR508-E-R can store up to 128TB of video. Actual storage duration depends on resolution, frame rate, and codec compression. Ultra 265/H.265 encoding maximizes storage efficiency compared to H.264.
What does N+1 hot spare mean on this NVR?
N+1 redundancy means one additional hard drive is configured as a backup. If any of the primary drives fails, the N+1 spare automatically takes over without interrupting recording, ensuring continuous surveillance without manual intervention.
Can I replace hard drives without shutting down the NVR508-E-R?
Yes. The NVR508-E-R features hot-swappable HDD design, allowing you to remove and replace failed or full drives while the system continues recording. This zero-downtime maintenance capability is critical for 24/7 surveillance operations.
