PC Computer Motherboard Speaker Buzzer Beeper | eBay
4pcs Desktop Computer Motherboard CPU Internal Speaker Buzzer Beeper for connecting the front panel of the motherboard|Computer Cables & Connectors| - AliExpress
Amazon.com: Z-Standby 30pcs Desktop Pc Computer Mainboard Motherboard Case Internal Speaker Connector Plug : Electronics
PC speaker connector with 3 with connected pins. How to use? \ VOGONS