The vs 2104l viostor nvr is the 2 bay network surveillance system for home and soho security applications the vs 2104l support up to 8 tb of storage capacity with 4 tb on each hard drive respectively to accommodate high quality h264 mpeg 4 m jpeg and mxpeg recording videos the unique multi server monitoring feature of the viostor nvr allows monitoring of up to 128 ip cameras from multiple qnap nvr servers at the same time no extra software is required instant alarm icon will be show