10Pcs PC Motherboard Internal Piezo Speaker BIOS Alarm Buzzer for Computer Case

Super small mini Piezo speakers for pc computer motherboard, Length is 2.36". PC computer case internal motherboard speaker alarm beeper buzzer. 1 short 1 short 4 short: ROM BIOS checksum error. With this internal speaker installed you can still hear the PC boots codes as it boots to be sure everything is working correctly.

eBay