The integrated PC means network control of multiple displays, without having to install and run wires to a separate PC. The Samsung SIM(Slide-In Module) is Digital Signage Box specialized for LFD. As a modular Design, SIM can be inserted into internal module space of LFD with easy touch. SIM-NT provide a powerful PC functions signage environment required. You will have various options of SIM, which make your own LFD customized. SIM iis compatible with 550DX, 460/400DX-3, 460/400MX-3 and 460/400TS-3.