Sapphire R9 280X Dual-X fan replacement with case fans | Overclock.net
Replacing old r9 280x gpu fan, weird 4pin connector can't connect it anywhere - Graphics Cards - Linus Tech Tips
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
95mm ASUS GTX780 R9 280X 290 290X Single Fan Replacement 5Pin T129215SU R166b 643858310527 | eBay