"Oddly, when we initially tested the S95C, all four ports reported a maximum bandwidth of 48Gbps in the EDID, according to CRU. After a recent video by HDTVTest, we rechecked this with our Murideo and with CRU, and both are now reporting a maximum bandwidth of 40Gbps. Finally, to confirm these results, we tried sending a 4k @ 144Hz, RGB 12-bit signal, but we couldn't, which confirms that it's limited to 40Gbps. It's clear that Samsung changed this in one of the firmware updates since this TV was initially tested, but we don't know which one."