QNAP VS-4116 PRO-US 16 Channel NVR

Real-time monitoring and recording (video/audio) from multiple IP cameras (up to 16 channels)
High quality H.264, MPEG-4, M-JPEG, and MxPEG recording (depending on the camera models)
Complete recording features
Megapixel recording (up to 8-megapixel)
PC-less network surveillance by HD local display
Multi-server monitoring (up to 128 channels)
Dual display mode
Video search by date and time, timeline, and event
Intelligent video analytics (IVA)
Multi-view playback from multiple NVR servers
Digital watermarking
Advanced event management
Real-time SMS and email alert
Live monitoring on Windows PDA phone by VMobile
Trouble-free installation
Linux-embedded, highly reliable standalone NVR
Advanced RAID with hot-swappable hard drives design
Online RAID capacity expansion and online RAID level migration
UPS Support for 24/7 service
Intelligent auto power on after power recovery
Energy-saving design (only 35W in operation)