Gigabyte AMD Radeon R9 280X (GV-R928XOC-3GD) 3GB GDDR5 SDRAM PCI Express 3.0 x16 Video Card for sale online | eBay
User manual Gigabyte ATI Radeon R9 280X (English - 39 pages)
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