Jump to content

MSI MAG X870 TOMAHAWK WIFI ATX AM5 Motherboard 2x8pin Powering

Go to solution Solved by Hinjima,
30 minutes ago, _Quinn_ said:

Do I need to power both 8pin ports or am I fine with just one being powered? I have a ryzen 7 9800x3d. I am also getting the be quiet straight power 12 850w which only has one 8pin from what I can see.

You can just use one 8pin.  The single 8pin EPS CPU power connector can deliver well over 200w of continous power.

A single 8pin is enough to power two 9800X3D's 🙂 

I run a overclocked 9800X3D on 1 cable and its plenty fine.

 

@Cringe_Master245 All good, ping me when or if needed 🙂 

26 minutes ago, _Quinn_ said:

Do I need to power both 8pin ports or am I fine with just one being powered? I have a ryzen 7 9800x3d. I am also getting the be quiet straight power 12 850w which only has one 8pin from what I can see.

You do not. The 9800x3d sips power compared to most other high end chips. 

@Hinjima I believe is running an OC with only one 8 pin connector 

(Sorry Hinjima of you didn't want to be pinged)

Link to post
Share on other sites

30 minutes ago, _Quinn_ said:

Do I need to power both 8pin ports or am I fine with just one being powered? I have a ryzen 7 9800x3d. I am also getting the be quiet straight power 12 850w which only has one 8pin from what I can see.

You can just use one 8pin.  The single 8pin EPS CPU power connector can deliver well over 200w of continous power.

A single 8pin is enough to power two 9800X3D's 🙂 

I run a overclocked 9800X3D on 1 cable and its plenty fine.

 

@Cringe_Master245 All good, ping me when or if needed 🙂 

Link to post
Share on other sites

47 minutes ago, Hinjima said:

You can just use one 8pin.  The single 8pin EPS CPU power connector can deliver well over 200w of continous power.

A single 8pin is enough to power two 9800X3D's 🙂 

I run a overclocked 9800X3D on 1 cable and its plenty fine.

 

@Cringe_Master245 All good, ping me when or if needed 🙂 

 

51 minutes ago, Cringe_Master245 said:

You do not. The 9800x3d sips power compared to most other high end chips. 

@Hinjima I believe is running an OC with only one 8 pin connector 

(Sorry Hinjima of you didn't want to be pinged)

Thank you both for your answers to my question.

Link to post
Share on other sites

2 hours ago, Hinjima said:

No Problem!

If you have any more questions or worries, you know where to write 🙂 

Another question is how would I get to use my current GPU RTX2070 which also has an 8pin port when the only 8pin is going to the motherboard. This is only temporary while I am looking for a 5070 Ti.

Link to post
Share on other sites

5 minutes ago, _Quinn_ said:

Another question is how would I get to use my current GPU RTX2070 which also has an 8pin port when the only 8pin is going to the motherboard. This is only temporary while I am looking for a 5070 Ti.

You need a different cable to the GPU. 

do NOT mix the CPU power cable and the GPU PCIE cables, they look similar but they are completely different in terms of power.

 

These are the cables your Be Quiet comes with.

RED IS CPU POWER

GREEN IS GRAPHICS CARD POWER

The 12VHPWR is for modern GPU like 5070 Ti.

image.thumb.png.58bca41e4f3b3e0a1141bffed09e305a.png

Link to post
Share on other sites

3 minutes ago, Hinjima said:

You need a different cable to the GPU. 

do NOT mix the CPU power cable and the GPU PCIE cables, they look similar but they are completely different in terms of power.

 

These are the cables your Be Quiet comes with.

RED IS CPU POWER

GREEN IS GRAPHICS CARD POWER

The 12VHPWR is for modern GPU like 5070 Ti.

image.thumb.png.58bca41e4f3b3e0a1141bffed09e305a.png

So I will use the PCle 6+2 for the 2070 and the PCle 5.0 for the 5070 Ti yes?

Link to post
Share on other sites

1 minute ago, _Quinn_ said:

So I will use the PCle 6+2 for the 2070 and the PCle 5.0 for the 5070 Ti yes?

That is correct 🙂 

The 5070 Ti will also come with an adapter so you can use it with PCIE 6+2 cables for older PSU's.

But use the PCIE 5.0 for the 5070 Ti.

 

Adapter that comes with different GPU's for older power supplies that do not have the PCIE 5.0 cable.

image.thumb.jpeg.404ae41e15420e220df137f2deaedad6.jpeg

Link to post
Share on other sites

1 minute ago, Hinjima said:

That is correct 🙂 

The 5070 Ti will also come with an adapter so you can use it with PCIE 6+2 cables for older PSU's.

But use the PCIE 5.0 for the 5070 Ti.

Thank you very much again. Have a great day!

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

×