ASUS R9 280 DirectCU II TOP Specs | TechPowerUp GPU Database
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
Roundup: 5-way Radeon R9 280X Battle > Asus R9 280X DirectCU II TOP 3GB | TechSpot
ASUS Radeon R9 280 Graphics Card with DirectCU II
ASUS's Beastly ROG MATRIX R9 280X Platinum Spotted in The Wild - Features 20 Phase VRM
Amazon.com: Asus AMD Radeon R9 280X 3GB GDDR5 2DVI/4DisplayPort PCI-Express Video Card (R9280X-DC2T-3GD5-V2) : Electronics