VCC has developed solderless panel mount LED holders that combine simple and fast assembly with reliability and ruggedness. The CNX 440 and CNX 460 Series receptacles require no tools for assembly, ...
+5v is max draw.. However, some mb's put less voltage to a LED connection then others. if there is excessive draw on the LED pins, it can cause instability. I use +5V blue and white leds, have been ...