The GVR3550 is a powerful Network Video Recorder (NVR) that offers small to medium businesses and residential users a reliable and easy-to-manage solution for video surveillance recording and monitoring. It provides video recording, indexing, searching and video storage management for up to 24 IP video cameras to allow users to record and monitor their IP video surveillance network using one device. The GVR3550 supports 16TB of video storage and up to 4 hard drives (hard drives not included).