SAPPHIRE R9 280X 3G GDDR5 Video Cards 384bit GDDR5 Graphics Card R9 280X 3G Radeon R9 280X DVI HDMI 5700MHz R9 280X GDDR5 Used - AliExpress
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
XFX Double Dispersion 3GB GDDR5 DVI HDMI Mini DP R9-280X-TD | eBay
Club 3D R9 280X 3GB Upgrade 1,1-5,1 Apple MAC PRO 4K, METAL, Catalina Support | eBay
XFX Double D Radeon R9 280 3GB Graphics Card GPU GDDR5 R9-280A DVI HDMI Mini DP | eBay
R9280X-DC2T-3GD5-DDO ASUS R9280X-DC2T-3GD5 AMD Radeon R9 280X 3GB GDDR
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