That site says these are recommended gpus to run with your cpu. The link below is showing that it will not work with the 260 or 260x. I recommend using on an r9 270x even though it will not work with the apu graphics.
recommended by amd for hybrid crossfire: HD 7570 (DDR) HD 7570 (GDDR5) HD 7670 HD 6570 HD 7650A HD 7670A
That site says these are recommended gpus to run with your cpu. The link below is showing that it will not work with the 260 or 260x. I recommend using on an r9 270x even though it will not work with the apu graphics.
recommended by amd for hybrid crossfire: HD 7570 (DDR) HD 7570 (GDDR5) HD 7670 HD 6570 HD 7650A HD 7670A