United States
Q
What is the Dahua 256 Channel NVR?
A
The Dahua 256 Channel NVR is a high-performance network video recorder that manages up to 256 IP camera streams, supports 12 MP resolution per channel, H.265+ compression, RAID storage, and remote access via Dahua’s P2P and mobile apps.
Q
How many IP cameras can the Dahua 256 Channel NVR support?
A
It supports up to 256 IP cameras simultaneously with auto-detection and plug-and-play setup, enabling seamless expansion for large-scale surveillance projects.
Q
What is the maximum recording resolution and frame rate?
A
The NVR records up to 12 MP (4000×3000) per channel at 20 fps and offers 4K@30fps on dedicated HDMI outputs, ensuring high-definition capture across all connected cameras.
Q
Does the Dahua 256 Channel NVR support H.265 and H.265+ compression?
A
Yes, it features H.265/H.265+ encoding to cut bandwidth and storage usage by up to 50% compared to H.264, while maintaining superior video quality.
Q
What is the maximum storage capacity and hard drive configuration?
A
The NVR accommodates up to 16 SATA drives (max 10 TB each, total 160 TB) and supports RAID 0, 1, 5, 6, and 10 for optimized performance and data redundancy.
Q
Which hard drives are compatible with the Dahua 256 Channel NVR?
A
It is compatible with 3.5\
Q
What network bandwidth does the Dahua 256 Channel NVR require?
A
It offers 3200 Mbps inbound and 3200 Mbps outbound bandwidth, ensuring smooth real-time streaming and recording for all 256 channels without frame drops.
Q
How do I set up remote monitoring on the Dahua 256 Channel NVR?
A
Install Dahua iDMSS/gDMSS, register the NVR’s P2P ID, scan its QR code, and configure port forwarding (HTTP: 80, RTSP: 554) on your router for instant remote access.
Q
Does the Dahua 256 Channel NVR provide PoE support?
A
This model requires an external PoE+ switch. Use an IEEE 802.3at-compliant PoE+ switch to power cameras directly over Ethernet cables.
Q
Is the Dahua 256 Channel NVR ONVIF-compliant?
A
Yes, it supports ONVIF Profile S, G, and T for interoperability with third-party cameras, covering video streaming, PTZ control, and advanced analytics.
Q
Can I configure RAID arrays on the Dahua 256 Channel NVR?
A
Yes. Through the built-in storage management interface, you can create, expand, or rebuild RAID 0, 1, 5, 6, and 10 arrays for data protection and performance.
Q
What backup and export options are available?
A
You can back up recordings via USB, eSATA, NAS, or network export. Schedule or manually export selected channels/time ranges in AVI, MP4, or H.265 formats.
Q
How reliable is the Dahua 256 Channel NVR for 24/7 operation?
A
Designed for continuous use, it features a rugged metal chassis, efficient cooling, dual-power options, and watchdog timers to ensure stable, uninterrupted performance.
Q
Does the Dahua 256 Channel NVR support advanced analytics?
A
Yes, it offers AI-powered features like perimeter protection, face detection, people counting, and heat mapping, with customizable thresholds per channel for precise alerts.
Q
What mobile app features are available for the Dahua 256 Channel NVR?
A
The iDMSS/gDMSS apps provide live view, playback, PTZ control, push notifications for motion and alarm events, and snapshot captures for on-the-go surveillance management.
Q
What warranty and technical support options are offered?
A
Dahua includes a 2-year standard warranty, with optional extensions up to 5 years, plus 24/7 technical support via phone, email, and certified partner networks.
