SKY VISION 64 Channel network video recorder is an excellent choice for larger scale video monitoring applications. Equipped with an Intel Quad-Core processor, this top-of-the-line professional network video recorder is capable of producing superior images up to 4K at 12 megapixels. Simply connect a PoE network switch (sold separately) into the back of the NVR or anywhere on the same network and plug your cameras into the switch to enable both power and video over ethernet cable. This NVR comes equipped with H.265 Compression saving 40% of hard drive space as well as eight hard drive bays for extra storage when needed. The EXTREME Series 64 channel NVR comes loaded with great features for unmatched reliability and performance.