Memory Standard: DDR4 4300+(OC)*/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3200(OC)/ 2933(OC)/ 2800(OC)/ 2666/ 2400/ 2133* Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/)
Audio Chipset: 1. Built-in Realtek ALC887 chip ®
2. Support High Definition Audio
3. Support 2/4/5 1/7.1 channels
To activate the 7.1 channel audio output, you must use the front panel audio output of the HD (High Definition, High Fax) audio module and select the multi-channel audio function through the audio software.