Radeon R9 270x crossfire x (8gb) ddr5 4k resolution 4096X2160
why your stupid software 18.12.1.1 for Radeon Radeon R9 270x crossfire x (8gb) ddr5 does not support 4k resolution 4096X2160 i can't sync gpu with this screen résolution from Samsung série 9 (4k) SUHD