Yes, the RX 550 ... It features an HDMI 2.0bx4 output interface with a thickness of 1 slot, and it can output 4K 4 screens at the same time (refresh rate is up to 60Hz / 1 screen for 3 screens). (U... BIOSTAR unveils Radeon RX 550 with 1-slot thickness and 4K/four-screen output.