它配备了一条PCIe 4.0 x16插槽、一条PCIe 4.0 ... 音频方面，PULSE脉动B650M WIFI主板采用了Realtek ALC897音频解决方案，为用户提供高品质的音频体验。

This showed that the Raspberry Pi would happily talk with a VL805-based USB 3.0 PCIe expansion card, as well as a Realtek RTL8111-based Ethernet card, but not a number of other PCIe cards.