The Vio Stor NVR houses 4 SATA hard drives & supports secure data protection by RAID 1/5/5 + hot spare/6. It is capable of megapixel recording & multi-server monitoring, a unique feature to allow the users to monitor up to 128 IP cameras from multiple QNAP NVR servers without any extra software. Diversified recording modes such as scheduled recording, alarm recording, alarm recording schedule, motion-detection recording, pre-alarm, & post-alarm recordings are provided. The NVR supports enhanced video search by intelligent video analytics (IVA), including motion detection, foreign object, missing object, out of focus, & camera occlusion. The Vio Stor NVR offers advanced event management to support more alarm event types & handling options. The event types include motion detection, network disconnection, recording failure, & even self-defined events. Individual user type & access rights can also be assigned for strengthened user account management & secure system access. The NVR is an excellent solution for small to large-scale surveillance deployment.