Amcrest’s NV4108E-A2 NVR comes with a Pre-Installed 2TB Seagate SkyHawk Security Surveillance Hard Drive (Supports hard drives up to 10 Terabytes), while Featuring 8CH Recording, the Latest H.265 Video Compression, Playback & Live View in Up to 8MP Resolution @ Real-Time 30fps. Includes 4 x 8MP (4K) IP PoE Outdoor Turret Cameras (3840x2160P) @15fps. Includes 4 x Ethernet Cables (4 x 60ft). | Experience Ultra HD 4K - Stunning ultra-high quality 4K (8-Megapixel / 3840x2160) resolution featuring enhanced low light capability utilizing the latest CMOS image sensor and chipset. Super-wide 105° viewing angle allows you to cover more ground. Each camera is equipped with a built-in microphone that allows you to listen to what matters most. | 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. | 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. | 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. 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.