SAPPHIRE R9 290X TOPS THE BILL New top of the range graphics card delivers 4K graphics, AMD Eyefinity and TrueAudio for best gaming experience yet - TheOverclocker
Entire AMD Radeon R9 M200, R7 M200 and R5 M200 Mobility Lineup Are Rebrands - R9 M290X Official
iMac 27" A1419 Late 2014 Logic Board W/ 2 GB AMD Radeon R9 M290X GPU * - Part Haven
AMD Radeon R9 M290x 4gb Gddr5 - Read Description for sale online | eBay
Alienware 17: AMD's R9 M290X Goes Mobile | HotHardware