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Author Topic: CPU_PWR connector - Use 4pin in 8pin socket?  (Read 312 times)

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222fbjTopic starter

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CPU_PWR connector - Use 4pin in 8pin socket?
« on: 29-July-19, 11:15:53 »

I have a B450M-Pro-VDH+ with a Ryzen 2200G cpu.
The board has an 8 pin CPU_PWR1 socket.
My Power Supply (HEC-300FN-1RX) has no 8 pin - only a  4 pin connector available.
Can I use that?     This Youtube vid has comments saying a 4pin will work in an 8 pin.
  Or, do I need to buy a 4 to 8 pin adapter?

thanks
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anupam.charles.mondal

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I'd recommend you to buy a new power supply.
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plutomate

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Re: CPU_PWR connector - Use 4pin in 8pin socket?
« Reply #2 on: 29-July-19, 22:54:21 »

it will work, but noted that if CPU draws too much power, it might damage your PSU/cable.
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lameover

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Re: CPU_PWR connector - Use 4pin in 8pin socket?
« Reply #3 on: 30-July-19, 00:38:13 »

i'd better buy a new PSU
it's only 100-130$

but you can put 4-pin in 8-pin socket
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montyac

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Re: CPU_PWR connector - Use 4pin in 8pin socket?
« Reply #4 on: 31-July-19, 12:04:44 »

4 pin power draw max is around 144 watts. 8 pin max power draw is about 288 watts. So, for safe usage don't bother with the 4 pin power supply.
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222fbjTopic starter

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Re: CPU_PWR connector - Use 4pin in 8pin socket?
« Reply #5 on: 01-August-19, 11:10:22 »

FYI... Board boots and seems to work with only the 4 pin for CPU PWR.
I have a 2.5" SSD, and a NVMe card; no overclocking, no graphics board.
A video on YT shows power usage - RYZEN 3 2200G POWER CONSUMPTION
  
Thanks for the replies.  
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