I have only used the motherboard in combination with a Ryzen 7 5800X until now, however, after a short search on the Asus homepage about the board I can write the following quote: Ready for AMD Ryzen™ 3000 and 5000 series, as well as 5000 and 4000 G-series desktop processors and after a short look in the compatibility list of the CPUs I could only find Ryzen COUs from the 3000 series ( 3600, 3700 etc. ) and upwards.) and upwards, i.e. no compatibility with a 2700 X, which is unfortunately one generation too old in this case. Hope this helps ;-) Greetings Torsten