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Why do GPU's require high # pin connector?

post #1 of 2
Thread Starter 
I've never really gotten this. I've got a rc car that can supposedly draw 200 watts from just 2 wires 11.1v lipo. (might be off) I will give you that they're possibly 12ga vs the 20~ ga for my psu. I'm doing my best to find specs for this, but it looks like 20ga wires can handle 132 watts 12v 11amp... so if it was a 4 pin connector which is just 2 12v- then 2 12v+ right? Then it should be 264 watts of power from a little 4 pin.

I'm looking at gtx 1070 960 970 n such. Most of their TDP is 150 watts and under. Why do they put connectors with high pin count? This also goes for cpu's too. Having a 88 watt cpu that requires a 8 pin??? I'm hoping I'm off... because why would a cpu need 528 watts of power...

Basically I've all ways wondered if it was really necessary to have such a connector for cpu and gpu.

Thanks,
Higgins909
post #2 of 2
Cheap/small connectors. Small wires. Stable power. Universal standards. Burst current vs Sustained current.

Try hooking that lipo up to a tamiya connector and see what happens. Even a tamiya connector is larger than any of the pins on PC connectors.


There are 20+ power connectors for the RC hobby. I can buy any PC powersupply and it will have the same connectors on it as any motherboard I buy.
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