AMD Radeon R9 280X arrives October 8th, R9 270X and 280X DirectCU II TOP BIOSes leaked | VideoCardz.com
The Drivers, The Test & Our New Testbed - The Radeon R9 280X Review: Feat. Asus & XFX - Meet The Radeon 200 Series
Meet The Sapphire R9 280X Toxic, Cont - The Sapphire R9 280X Toxic Review
AMD R9 280X for Mac now Available: Great value OpenCL powerhouse for Final Cut Pro & Adobe Suite - MacFinder Blog
The Radeon R9 280X Review: Feat. Asus & XFX - Meet The Radeon 200 Series
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