Amcrests 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 8CH @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. Advanced H.265 compression technology lets you save on storage space which allows for longer recording times. 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. 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.