Includes USB backup feature for peace of mind. All systems CE & FCC certified with UL compliant power supplies. Guaranteed for a Full Year from purchase with US Support and US Warranty offered exclusively by Amcrest. Max 80Mbps Incoming Bandwidth, records 8 cameras @ 4K using H.264. Records 8 cameras @ 4K by changing default settings from H.264 to H.265 and adjusting bit rate to 1792 on each camera for maximum optimization. Conveniently packaged with extras such as USB mouse, network cable, and quick start guide. Supports AI Features from AI IP Cameras, AI features available depend on the camera model being used. Only Supports 2CH AI Cameras at 4K@30fps. No built-in AI Features on NVR. Connects to and manages all the POE IP cameras on your network directly through their ethernet cables for ultimate ease and convenience in a home security system. Advanced H.265 compression technology lets you save on storage space which allows for longer recording times. H.265 technology compresses your video without sacrificing any of the UltraHD video quality. Intelligent search, playback, and backup functions provide enhanced ease of use and security (for example, motion detection events and exact search functions that are accurate to one second). Amcrest’s NV4108E-A2 8CH POE NVR comes with a Pre-Installed 2TB Hard Drive (Supports hard drives up to 10TB) while Featuring 8CH Recording & Live View in Up to 8MP/4K Resolution @ Real-Time 30fps. Playback 8-Channel @1080p(30fps)/4-Channel @4MP(30fps)/2-Channel @4K(30fps). This NVR is designed and recommended for Amcrest branded cameras only. Limited functionality and restricted support for third party cameras.