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EATX12 Help

ChooChoo22
By ChooChoo22
in Power Supplies
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I'm struggling with connecting my  PSU to the CPU power on my motherboard.

My motherboard is ASUS ROG STRIX B450-F with an EATX12 port for CPU power. There are 8-pin ports on my modular PSU which are labelled 'CPU/PCI-E'. I only have 8-pin to 4+4pin connectors. The 8-pin end can go into either the PSU or the motherboard but only half of the 4+4pin end can go into the motherboard. The motherboard instruction manual says to use an 8-pin connector.

- Is my PSU incompatible, do I need a PSU that comes with an 8-pin to 8-pin connector?

- Is it just an issue of not having the right connector?

 

If anything is unclear I'll try and clarify, thanks in advance

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Posted
12 minutes ago, ChooChoo22 said:

The 8-pin end can go into either the PSU or the motherboard

If it fits it does not mean it can fit 

The wiring is different

12 minutes ago, ChooChoo22 said:

but only half of the 4+4pin end can go into the motherboard.

Make sure it's the eps connector

Usually it says cpu on it should fit 

12 minutes ago, ChooChoo22 said:

The motherboard instruction manual says to use an 8-pin connector.

8 pin breaks to two parts 

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Posted (edited)
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@TofuHaroto

21 minutes ago, TofuHaroto said:

Make sure it's the eps connector

Usually it says cpu on it should fit 

I'm confident that it is an EPS connector, it's listed in the manual as a EPS/ATX12V 8(4+4)-Pin.

It says CPU on both the 8-pin end and on each of the 4-pin connectors. It also says GQ on the 8-pin end.

21 minutes ago, TofuHaroto said:

8 pin breaks to two parts 

Yes, the 8-pin is split into 4+4 but only one side fits into the port on the MB.

Edited by ChooChoo22
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Posted
17 minutes ago, ChooChoo22 said:

 

@TofuHaroto

I'm confident that it is an EPS connector, it's listed in the manual as a EPS/ATX12V 8(4+4)-Pin.

It says CPU on both the 8-pin end and on each of the 4-pin connectors. It also says GQ on the 8-pin end.

Yes, the 8-pin is split into 4+4 but only one side fits into the port on the MB.

you have to make sure both sides of the 4pin are actually clipped together to form a single 8 pin block. that goes into the motherboard. make sure that the clip is facing the correct direction with respect to the ridge on the motherboard connector.  usually facing upward iirc.

Main Rig: CPU: AMD Ryzen™ 9 3950X Processor (Stock, -0.1V offset)  /// Motherboard: Asus Pro WS X570-Ace /// CPU Cooler: Deepcool GamerStorm Castle 360 RGB V2 /// GPU: Gigabyte AORUS GeForce® RTX 2080 SUPER™ 8G /// RAM: G.SKILL Ripjaws V 128GB (4x32GB) 3200Mhz CL16 /// Chassis: Fractal Design Define R6 USB-C Blackout TG /// PSU: Corsair RM850i /// Storage: 500GB Samsung 970 EVO Plus NVMe (boot) + 1TB WD Black SN750 NVMe (Working Drive) + 2x 1TB Samsung 850 EVO 2.5" SATA SSD RAID0 (Game Library) + 2TB Seagate BarraCuda (Backup) /// OS: Windows 10 Pro

 

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