The 3TB iPOLis 4-Channel H.264 Network Video Recorder (NTSC/PAL) from Samsung supports up to 4 network streams with a throughput of up to 64 Mb/s in real-time. This high-performance NVR is capable of real-time recording at 30 fps at a 4CIF resolution of 704 x 480. The built-in 3TB hard drive saves a huge amount of recorded data, eliminating storage constraints. The recorder offers compression in multiple formats such as H.264, MPEG-4, and MJPEG in dual codec, which allows you to customize the streams to meet your requirements. The NVR supports USB back up and DVD writer for easy backup onto optical media.