Ultra NVR608R-128-4KS2 - Video recorder Dahua Technology - Free user manual and instructions
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| Product Type | Network Video Recorder (NVR) |
| Brand | Dahua Technology |
| Model | Ultra NVR608R-128-4KS2 |
| Video Input Channels | 128 channels |
| Recording Resolution | Up to 12MP (4K) per channel |
| Video Compression | H.265, H.264, MJPEG |
| Storage Capacity | Up to 80TB (8 x 10TB HDDs) via eSATA expansion |
| RAID Support | RAID 0/1/5/6/10 |
| Dimensions (W x D x H) | 440 mm x 450 mm x 88 mm (1U rackmount) |
| Weight | 8.5 kg (without HDDs) |
| Power Supply | 100-240 V AC, 50/60 Hz, 250W |
| Network Interfaces | 2 x RJ45 10/100/1000 Mbps (dual NIC) |
| Audio Support | 1-ch audio in, 1-ch audio out (RCA) |
| Alarm I/O | 16 alarm inputs, 6 alarm outputs |
| Remote Access | Via web browser, mobile app (DMSS), or VMS |
| Operating System | Embedded Linux |
| Maintenance | Clean ventilation slots regularly; update firmware via network |
| Safety Features | Overvoltage protection, redundant cooling fans, surge protection |
| Spare Parts / Repairability | Hot-swappable power supply, replaceable fans, HDDs, CMOS battery |
| General Information | Supports ONVIF, RTSP, PoE (with compatible switch); 3-year warranty |
Frequently Asked Questions - Ultra NVR608R-128-4KS2 Dahua Technology
How many cameras can the Ultra NVR608R-128-4KS2 support?
It supports up to 128 IP cameras with recording bandwidth up to 1024 Mbps.
What hard drive types are compatible?
It supports SATA III HDDs (3.5 inch) up to 10TB each. It has 8 internal bays and can be expanded via eSATA.
Can I view live footage remotely?
Yes, remote access is available via Dahua DMSS mobile app, web browser, or VMS software (e.g., SmartPSS).
Does it support 4K resolution?
Yes, it supports up to 12MP (4K) resolution per channel with H.265 compression for efficient storage.
What RAID levels are supported?
It supports RAID 0, 1, 5, 6, and 10 for data redundancy and performance optimization.
How do I update the firmware?
Firmware can be updated via the web interface (System > Upgrade) or manually via USB. Always download from Dahua official site.
Is the NVR compatible with third-party cameras?
Yes, it supports ONVIF (Profile G, S, T) and RTSP protocols for integration with many brands.
What is the power consumption?
Typical power consumption is around 150W (without HDDs) with a maximum of 250W from the built-in power supply.
Can I use PoE cameras directly?
The NVR itself does not have PoE ports; you need a separate PoE switch to power cameras. It connects via standard network.
How do I clean or maintain the NVR?
Regularly dust the ventilation slots with compressed air, ensure proper airflow, and check for firmware updates. Avoid liquid cleaners.
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