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Bounnty
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I bought a fully modular gskill 750watt psu for my threadripper build it came with a lot of moles and pcie cables but only one 8pin cpu power cable when my motherboard (MSI Pro Carbon AC) has 2 8pin spots, it turns on runs and works but I was wondering what impacts not having that second cable does. From my experience my RAM runs at a slower speed than supposed to and any overclocking is unstable, it’s seems it doesn’t have enough power to even turbo up to 4ghz. (cooling isn’t an issue because I’m using an AIO cooler and 7 case fans so cool air isn’t an issue) I was wondering what other problems I could be having and where I could possibly buy a compatible 8 pin(comparable with the power supply and motherboard)?

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You shouldn't use a power supply that doesn't have the plugs required of the components. Perhaps it's best to return the power supply and get yourself one that has 16 CPU pins.

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 11 and Fedora Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

PSU tier list

How many watts do I need?

PSU misconceptions, protections explained, group reg is bad

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https://linustechtips.com/topic/984562-g-skill/#findComment-11869662
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9 hours ago, Bounnty said:

But it’s outside of the 30 day amazon return period

What's the model of the PSU?

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 11 and Fedora Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

PSU tier list

How many watts do I need?

PSU misconceptions, protections explained, group reg is bad

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https://linustechtips.com/topic/984562-g-skill/#findComment-11871252
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22 minutes ago, Bounnty said:

G skill ripjaws 750 watt gold certified.

Doesn't seem to support multiple EPS connectors, you should ask g.skill support if a splitter would be suitable.

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 11 and Fedora Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

PSU tier list

How many watts do I need?

PSU misconceptions, protections explained, group reg is bad

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https://linustechtips.com/topic/984562-g-skill/#findComment-11878240
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On 10/21/2018 at 2:06 PM, fasauceome said:

Doesn't seem to support multiple EPS connectors, you should ask g.skill support if a splitter would be suitable.

What’s a splitter, I’m currently in the process of trying to get a second 4+4 pin from them, by way of them thinking my current one is broke or just straight up buying it.

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4 minutes ago, Bounnty said:

What’s a splitter, I’m currently in the process of trying to get a second 4+4 pin from them, by way of them thinking my current one is broke or just straight up buying it.

The power supply doesn't have a second EPS output. A splitter would take a 4+4 and split it into 2 4+4 cables. This is not usually recommended, so I would ask G.Skill first.

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 11 and Fedora Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

PSU tier list

How many watts do I need?

PSU misconceptions, protections explained, group reg is bad

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https://linustechtips.com/topic/984562-g-skill/#findComment-11885313
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On 10/23/2018 at 12:16 PM, fasauceome said:

The power supply doesn't have a second EPS output. A splitter would take a 4+4 and split it into 2 4+4 cables. This is not usually recommended, so I would ask G.Skill first.

Imshouldnt need an splitter because where the 4+4pin goes in the psu is the same place and has the same connecting part as pcie cables

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7 hours ago, Bounnty said:

Imshouldnt need an splitter because where the 4+4pin goes in the psu is the same place and has the same connecting part as pcie cables

PCIe power and CPU power are different voltage.

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 11 and Fedora Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

PSU tier list

How many watts do I need?

PSU misconceptions, protections explained, group reg is bad

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https://linustechtips.com/topic/984562-g-skill/#findComment-11895587
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4 hours ago, OrionFOTL said:

Oh? Then let us hear what voltages are used for CPU power and PCIe power.

If I'm not mistaken, 3.3 volts for CPU and 5 for PCIe. But the wording of your comment makes it seem like I am mistaken.

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 11 and Fedora Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

PSU tier list

How many watts do I need?

PSU misconceptions, protections explained, group reg is bad

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https://linustechtips.com/topic/984562-g-skill/#findComment-11899632
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Yeah, there was a mistake there. Processors and graphics cards use 12V from the power supply. This rail is the most powerful for a reason, after all.

3.3V is hardly used for anything anymore - only for RAM and small things on the motherboard. 5V is used to power hard drive motors, and 12V for their circuits (or the other way around)

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On 10/27/2018 at 1:05 PM, OrionFOTL said:

Yeah, there was a mistake there. Processors and graphics cards use 12V from the power supply. This rail is the most powerful for a reason, after all.

3.3V is hardly used for anything anymore - only for RAM and small things on the motherboard. 5V is used to power hard drive motors, and 12V for their circuits (or the other way around)

Well it seems my 2 3.3V connectors are for OC stability and ram speed and I paid over 300 for my 32gig kit so I would prefer my 3200mhz ram asa opposed to it running at 2166mhz

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I wasn't referring to any connectors, just describing which voltages in a power supply are used for what devices. 

 

The 4pin or 8pin connectors nearby the processor carry 12V, and they supply additional power to the processor. They don't have anything to do with RAM. 

 

One 8pin connector for the CPU is specified for 150W, but overclocking shouldn't make any problems with that. 

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