pcie sound card is better than USB sound card, PCIE sound card in the form of slot type, he generally has sound quality, green wave and power amplifier function, with better sound quality and power amplifier performance, power can generally reach more than 50 watts, USB sound card is a small god card, without power amplifier function, his power is relatively small, generally not more than 10 watts, Therefore, in terms of overall function, it is relatively poor
PCIE directly connected to the CPU, fast speed and low loss, USB sound card to the south bridge delay and loss.