QNAP VS-8040 VioStor NVR is the class-leading 8-bay, hot-swappable network surveillance system which supports high quality real-time monitoring, megapixel recording, and playback of multiple IP cameras. It is able to record up to 40 channels in H.264, MPEG-4, and M-JPEG video compression. The NVR supports the IP cameras and video servers from popular brands such as AXIS, ACTi, Arecont, Canon, Cisco, D-Link, EDIMAX, ELMO, EtroVision, GANZ, iPUX, IQeye, LevelOne, Linksys, MOBOTIX, Panasonic BB/ BL/ i-Pro, SANYO, SONY, TOA, TOSHIBA, TRENDnet, VIVOTEK, and Y-CAM. Learn More