- May 27, 2016
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I have a watercooled system and am looking to get two of the new GTX 1080s to SLI. I have seen many people saying to skip the reference card design because it only has a single 8 pin power source and that will limit the overclockability (i think that's a word?) of the card. How much truth is there to this statement and will it make a difference if the card has an 8 pin and a 6 pin power source as opposed to two 8 pin power sources?
The cards that are in question that I am looking to purchase are:
https://www.overclockers.co.uk/inno3d-geforce-gtx-1080-ichill-air-boss-x3-8192mb-gddr5x-pci-express-graphics-card-c108v3-2sdn-p6dn-gx-061-in.html
The above card is the card that has an 8 pin and a 6 pin power source as mentioned near the bottom of the page "Power Input 1x 8-pin & 1x 6-pin."
The second card I am considering is this:
https://www.overclockers.co.uk/zotac-geforce-gtx-1080-amp-edition-8192mb-gddr5x-pci-express-graphics-card-zt-p10800c-10p-gx-101-zt.html
This card has a two 8 pins as a power source as mentioned in the specs: "Power Input 2x 8-pin."
My ultimate question is would having two 8 pins be better theoretically than an 8 pin and a 6 pin power source for a GPU in terms of the maximum overclock I am able to achieve? I know these apparently are very energy efficient cards but I've seen people saying to skip the reference design and go for an aftermarket board with something other than an 8 pin and want to get the best possible card for overclocking.
Thank in advance.
Edit: I was also reading that the first card I posted has a "slot size" of 2.5 on the specs portion of that page. I believe that is referring to the height of the card and how many PCI slots it is taking up WITH the stock cooler on it? So for example if I have a motherboard that has 2 slots in between where I want both these card to go, I would not be able to fit them both on my mobo because these card require 2.5 slots? Sorry for possible stupid quest, thanks again.
The cards that are in question that I am looking to purchase are:
https://www.overclockers.co.uk/inno3d-geforce-gtx-1080-ichill-air-boss-x3-8192mb-gddr5x-pci-express-graphics-card-c108v3-2sdn-p6dn-gx-061-in.html
The above card is the card that has an 8 pin and a 6 pin power source as mentioned near the bottom of the page "Power Input 1x 8-pin & 1x 6-pin."
The second card I am considering is this:
https://www.overclockers.co.uk/zotac-geforce-gtx-1080-amp-edition-8192mb-gddr5x-pci-express-graphics-card-zt-p10800c-10p-gx-101-zt.html
This card has a two 8 pins as a power source as mentioned in the specs: "Power Input 2x 8-pin."
My ultimate question is would having two 8 pins be better theoretically than an 8 pin and a 6 pin power source for a GPU in terms of the maximum overclock I am able to achieve? I know these apparently are very energy efficient cards but I've seen people saying to skip the reference design and go for an aftermarket board with something other than an 8 pin and want to get the best possible card for overclocking.
Thank in advance.
Edit: I was also reading that the first card I posted has a "slot size" of 2.5 on the specs portion of that page. I believe that is referring to the height of the card and how many PCI slots it is taking up WITH the stock cooler on it? So for example if I have a motherboard that has 2 slots in between where I want both these card to go, I would not be able to fit them both on my mobo because these card require 2.5 slots? Sorry for possible stupid quest, thanks again.
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