AMD Radeon 300 Series Launched by Gigabyte, ASUS, MSI, Club 3D and Sapphire
RedGamingTech
What do the R9 300-Series actually consume in terms of wattage, here you go - AMD Radeon R9 390X, R9 380 And R7 370 Power consumption stress tests. : r/pcmasterrace
Radeon R9 300 series - AFOX
MSI Launches New AMD 300 Series Graphics Cards | The ChannelPro Network
Alleged benchmark results of AMD Radeon R9 300-series 'Fiji XT' published | KitGuru