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Title: PSU with "CPU/PCI-E" labeled, can they be used for GPUs & CPU both ? Post by: desi.420 on November 30, 2017, 10:04:32 AM Hi, i am looking at SeaSonic X-1050 power supply and notice that 8-pin connectors have label "CPU / PCI-E". I am little confused, can I connect GPUs and CPU to the same ports ? How do i know which port on PSU to connect my GPUs to ? Apologies but i am not good with electrical so not sure if i am making any sense ?
Please refer to the link below for psu i am looking to buy https://seasonic.com/product/x-1050/ Thank you all in advance. Title: Re: PSU with "CPU/PCI-E" labeled, can they be used for GPUs & CPU both ? Post by: fapar on November 30, 2017, 11:08:51 AM Hi, i am looking at SeaSonic X-1050 power supply and notice that 8-pin connectors have label "CPU / PCI-E". I am little confused, can I connect GPUs and CPU to the same ports ? How do i know which port on PSU to connect my GPUs to ? Apologies but i am not good with electrical so not sure if i am making any sense ? Please refer to the link below for psu i am looking to buy https://seasonic.com/product/x-1050/ Thank you all in advance. With this PSU, yes. The main thing is to use the PCI-E cable when connecting a video card. The 8-pin CPU and 8-pin PCI-E cables differ in pinout. Title: Re: PSU with "CPU/PCI-E" labeled, can they be used for GPUs & CPU both ? Post by: desi.420 on November 30, 2017, 12:19:41 PM Hi, i am looking at SeaSonic X-1050 power supply and notice that 8-pin connectors have label "CPU / PCI-E". I am little confused, can I connect GPUs and CPU to the same ports ? How do i know which port on PSU to connect my GPUs to ? Apologies but i am not good with electrical so not sure if i am making any sense ? Please refer to the link below for psu i am looking to buy https://seasonic.com/product/x-1050/ Thank you all in advance. With this PSU, yes. The main thing is to use the PCI-E cable when connecting a video card. The 8-pin CPU and 8-pin PCI-E cables differ in pinout. Thanks fapar. So if i were to plug PCI-E cable from GPU to one of those ports which is labeled "CPU/PCI-E", GPU will get enough power (~250W), and if plug in CPU cable then it will draw ~92 W ? if so then does it mean that the correct amount of power is drawn by the type of cable (CPU, PCI-E) that i use ? Thanks again. Title: Re: PSU with "CPU/PCI-E" labeled, can they be used for GPUs & CPU both ? Post by: fapar on November 30, 2017, 04:29:53 PM Hi, i am looking at SeaSonic X-1050 power supply and notice that 8-pin connectors have label "CPU / PCI-E". I am little confused, can I connect GPUs and CPU to the same ports ? How do i know which port on PSU to connect my GPUs to ? Apologies but i am not good with electrical so not sure if i am making any sense ? Please refer to the link below for psu i am looking to buy https://seasonic.com/product/x-1050/ Thank you all in advance. With this PSU, yes. The main thing is to use the PCI-E cable when connecting a video card. The 8-pin CPU and 8-pin PCI-E cables differ in pinout. Thanks fapar. So if i were to plug PCI-E cable from GPU to one of those ports which is labeled "CPU/PCI-E", GPU will get enough power (~250W), and if plug in CPU cable then it will draw ~92 W ? if so then does it mean that the correct amount of power is drawn by the type of cable (CPU, PCI-E) that i use ? Thanks again. Here is a good diagram to help you understand the pinouts of contacts in the PSU. Roughly speaking, the CPU 8-pin uses the top row of contacts, and PCI-E 8-pin bottom row. That is, when connecting different cables (CPU/GPU) used different contacts. In this PSU for connecting additional power processor uses an 8-pin M/B connector. http://cdn.overclock.net/a/ac/1000x2000px-LL-ac82eb1d_pinout.png Title: Re: PSU with "CPU/PCI-E" labeled, can they be used for GPUs & CPU both ? Post by: QuintLeo on December 01, 2017, 12:28:34 AM The Seasonic X-series specifically designs their GPU and CPU cables to be interchangeable ON THE POWER SUPPLY END.
They're NOT interchangeable on the other end. This also applies to the Snow Silent (platinum) series - and the cables from those are interchangeable with X-series cables as well. Title: Re: PSU with "CPU/PCI-E" labeled, can they be used for GPUs & CPU both ? Post by: desi.420 on December 01, 2017, 03:27:33 AM Greatt... Thank you to both of you :)
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