![How do I setup a Radeon RX550 in a Mac Pro 4,1 running Catalina? I installed it and nothing displayed : r/macpro How do I setup a Radeon RX550 in a Mac Pro 4,1 running Catalina? I installed it and nothing displayed : r/macpro](https://preview.redd.it/28uar02d7xr51.jpg?auto=webp&s=9d2eb53aba7143d4852a7a960fc86f2f7c5b5126)
How do I setup a Radeon RX550 in a Mac Pro 4,1 running Catalina? I installed it and nothing displayed : r/macpro
![Amazon.com: ASRock Phantom Gaming Radeon RX 550 DirectX 12 RX550 2G 2GB 128-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card : Electronics Amazon.com: ASRock Phantom Gaming Radeon RX 550 DirectX 12 RX550 2G 2GB 128-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card : Electronics](https://images-na.ssl-images-amazon.com/images/I/51IdrrMdUgL._AC_UL200_SR200,200_.jpg)
Amazon.com: ASRock Phantom Gaming Radeon RX 550 DirectX 12 RX550 2G 2GB 128-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card : Electronics
![Amazon.com: XFX RX 550 2GB DDR5 DD 1203MHz DP HDMI DVI PCI-Express 3.0 Graphics Card RX-550P2DFG5 : Electronics Amazon.com: XFX RX 550 2GB DDR5 DD 1203MHz DP HDMI DVI PCI-Express 3.0 Graphics Card RX-550P2DFG5 : Electronics](https://images-na.ssl-images-amazon.com/images/I/61EuvTePPML._AC_UL600_SR600,600_.jpg)
Amazon.com: XFX RX 550 2GB DDR5 DD 1203MHz DP HDMI DVI PCI-Express 3.0 Graphics Card RX-550P2DFG5 : Electronics
![Amazon.com: ASRock Phantom Gaming Radeon RX 550 DirectX 12 RX550 2G 2GB 128-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card : Electronics Amazon.com: ASRock Phantom Gaming Radeon RX 550 DirectX 12 RX550 2G 2GB 128-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card : Electronics](https://m.media-amazon.com/images/I/41nHZzVdV1L._AC_.jpg)
Amazon.com: ASRock Phantom Gaming Radeon RX 550 DirectX 12 RX550 2G 2GB 128-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card : Electronics
![Amazon.com: ASRock Phantom Gaming Radeon RX 550 DirectX 12 RX550 2G 2GB 128-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card : Electronics Amazon.com: ASRock Phantom Gaming Radeon RX 550 DirectX 12 RX550 2G 2GB 128-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card : Electronics](https://m.media-amazon.com/images/I/91HIFPIhvBL._AC_UF894,1000_QL80_.jpg)