8 Pin PCIE and 8 Pin EPS Cable Pinouts for EVGA G2 850W Supernova?

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Victor_66

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Dec 15, 2016
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Hey guys! Ive successfully tested and sleeved my 24 Pin and it is giving the 100% RGB Goodness on my Maximus IX Code. I have a couple of questions that i need answered immediately!

1: Im trying to sleeve my PSU and I have the 24 Pin done. I need to sleeve TWO VGA Cables and ONE CPU/EPS Cable. I know on the Pinout Repository by Tinus (Lutroo Customs), there was one linked for ym specific PSU, but however he only shows the Rearview PSU side for the 8 pin EPS and the 8 pin PCIE. Could somebody verify if the motherboard end of EACH is One to one or a different Pinout entirely?

2:I sleeved my cables without capacitors. I'm not a heavy overclocker but I plan on taking my i7-7700k to 5Ghz and leaving my GPU at stock. (1080Ti) Would the capacitors be a super necessity to my build? Like is it life and death? Some people state that they have had custom cables for two years and had no issues, and some say their absolutely necessary.

3: I tested my Mobo for the first time on a buddy's test bench when he wasn't home. The mob lit up and cycled through its rib and lighting effects, but the Ram sticks did not power. Do the RAM sticks get powered differently? Or Do i need the CPU/EPS connector to power it? Or is it powered by some other connector? (G Skill Trident Z's)

4: Could somebody give me an opinion on the way i did my cables! Give me a honest opinion of the colors. Im going for a nice royal red and gold with a hint of black. (Note: I forgot to order more cable combs so i have MORE comping on the way to help my OCD.)

http://imgur.com/ATDTYhw
 
Solution
Aeacus

Due to the ATX12V standard, all ATX PSUs must match the same pinouts at the end of their cables (e.g MoBo/ GPU/ HDD side).

The image i linked is the pinout of the ATX12V standard on the MoBo side and not...
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Aeacus

Aeacus

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Q&A:

1. To know the MoBo side pinout, you need to look the ATX standard pinout,
image:
d841da87_ATX20Pinout.jpeg

source: http://www.overclock.net/t/1420796/repository-of-power-supply-pin-outs#

2. Capacitors inside the power cables are for minimizing voltage ripple to acceptable levels in order to provide nice clean power for your components.
If you remove the caps inside power cables then you risk poor performance or even component damage. Also, most caps used for smoothing ripple are polarized. It's important to connect them with the positive and negative the correct way. Make sure you note the polarity.

Some PSU makers, like Super Flower (the OEM of EVGA SuperNova G2 PSUs), put caps inside the power cables for cleanest power. While others, like Seasonic, put the caps inside the PSU, leaving power cables free of caps for easier sleeving or use of custom sleeved cables. E.g PRIME series,
review: http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story2&reid=493

My Skylake build (full specs with pics in my sig) is powered by PRIME 650 80+ Titanium PSU with CableMod custom sleeved power cables.

3. As far as i know, RAM won't light up if you don't have CPU inside the MoBo and CPU power connected when you try to power up your MoBo.
Since MoBo alone doesn't need to use the RAM, i wouldn't expect the RAM to lit up without CPU. Bare minimum for successful POST and entering BIOS would be CPU, RAM and MoBo all connected with 4/8-pin CPU, 24-pin MoBo power cable and CPU 4-pin fan connected.

4. Your sleeving looks good. As far as coloring goes, it's purely personal choice. I prefer my power cables in full red color due to the black & red theme with my Skylake build.
 
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Victor_66

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Dec 15, 2016
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Yeah! Thanks for the advice! I saw that EVGA has their own custom sleeved cables, and they don't incorporate capacitors within them as well. I contacted Lutroo and he stated some good words of advice on the situation.

I just have a couple of questions regarding the pinouts for the EPS/VGA

Since their both not one to ones with their ATX Counterparts, i would need a pinout for both. Is there a picture floating around on the net somewhere? The one you linked is only showing a 8 Pin (PSU SIDE) to a 4+4 Pin (MOBO SIDE) Cant i just run a 8 Pin (PSU Side) to a 8 Pin (MOBO SIDE) to calm my OCD? I have a 8 Pin EPS that fits snugly in my Mobo.

Secondly. All Mobo Pinouts are the same? Jeez that makes it easier. I just need a Pinout for the MOBO Side like the one that Lutroo did for mine on the Pinout Repository Post.

Thirdly, is there an Existing VGA Pinout for 9the Hardware Side? I have an 8 Pin (PSU SIDE) to a 6+2 Pin PCIE (GPU SIDE). Once again, could i just run a 8 Pin (PSU SIDE) to a 8 Pin (PCIE Side?) My GPU has 2 FULL sized 8 Pin Connectors. (Posideon 1080Ti)

Fourthly (Fourth?), Im scrapping my current OEM 24 Pin because it barely reaches my PSU. Like, its really really extremely close to not fitting. Im sleeving an entirely new OEM with the same Design and Triple Color Scheme and using my shorter OEM 24 Pin Cables for my PCIE, EPS, and other connectors to conserve sleeving. Is this totally fine to do? I don't mind having my basement clogged up with cables. My Razer h440 has been modded to an extreme point to cool my entire case as a cavity. I extended out the shroud and added some RGB mods, but the cables don't matter do they? Its only to voltages running through.
 
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Aeacus

Aeacus

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Due to the ATX12V standard, all ATX PSUs must match the same pinouts at the end of their cables (e.g MoBo/ GPU/ HDD side).

The image i linked is the pinout of the ATX12V standard on the MoBo side and not PSU side. On the image, there are pinouts of 20-pin, 24-pin, molex, 6-pin auxiliary, 4-pin FDD and 4-pin 12V connectors.
Since PSU makers vary, only the PSU side pinout differs and in most cases, is unique to the PSU maker.

Here's also further in-depth reading about ATX12V standard pinouts with nice images,
link: http://www.playtool.com/pages/psuconnectors/connectors.html


Here are 2 pics of EVGA SuperNova 850 G2 PSU side pinouts,
image 1:
542b9e56_EVGASuperNOVA850G2.jpeg

image 2:
2f93c8ea_EVGASuperNOVA850G2etc.jpeg

source: http://www.overclock.net/t/1420796/repository-of-power-supply-pin-outs#
It is always recommended that you make a pinout of your own, no matter what, before you begin on a sleeving job - remember to make one for all cables. Even if you see your pinout on the list please make one for yourself anyhow as nothing in this thread is iron clad and it should be a prerequisite to sleeving your power supply no matter how many times you have sleeved!
Click to expand...


As far as reusing wires from original 24-pin cable goes, that i'm unsure if all wires are rated to carry +12V. E.g if you take the original +3.3V wire and use it as a +12V wire, you can melt the wire if it's only rated to carry about +4V.
Without knowing for sure if all wires in original 24-pin cable are rated to carry +12V, just to be sure, use new wires where you know for sure that they can carry the needed voltages.
 
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