Several availableQuartz (now evertz )Q6400 series 64x48 8RU SDI video routers. Approx. 24kg each justEach router is identical and setup with 1x Power supply Exact model on router is q6400-SV-6408-4ASetup as 64x48 card setup (installed with 64 inputs, 8 outputs, (outputs can be increased by pluggin in modules, ask if you want more as have some extra ones)4x Qlink ports for panel connectionsRouters have had DALLAS battery upgrade so the router can be programmed from winsetup software etcPAL and NTSC format for SDI video