XFX 650I - Manual (Page 18)

Installing and Configuring the XFX nForce 650i Ultra Motherboard
4
High Definition Audio (HDA)
High definition audio brings consumer electronics quality sound to the PC
delivering high quality sound from multiple channels. Using HDA, systems can
deliver 192 kHz/32-bit quality for eight channels, supporting new audio
formats.
USB 2.0
USB 2.0 is standard plug-and-play interface that provides easy-to-use
connectivity for USB devices.