Yeston Radeon RX550 4GB GDDR5 128bit Supports 4 screens HDR Gaming Desktop computer PC 4K support 4*HDMI Video Graphics Cards|Graphics Cards| - AliExpress
XFX Launches its RX 550 Full and Low-Profile Graphics Cards | TechPowerUp
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Buy Dilwe RX550 4GB GDDR5 Graphics Cards, 128bit Single Slot, 4 Split Screen+4K+HDR 1183/6000MHz Gaming Graphics Card, Computer Graphics Card with 4HDMI, Supports PCI-Express 3.0 Online in Taiwan. B09G6GS4BJ
RX550 with modded VBIOS + Morpheus II Core & some string + conductonaut = passively cooled GPU for 4K display output : r/Amd