Amazon.com: AMD Radeon R9 280X 3GB HDMI PCI Express Video Graphics Card for Apple Mac Pro, outperforms ATI Sapphire Radeon HD 2600, 4870, 5770, 7950, 9000, 9800 Gigabyte : Electronics
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Club 3D R9 280X 3GB Upgrade 1,1-5,1 Apple MAC PRO 4K, METAL, Catalina Support | eBay
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