https://www.ebay.com/itm/7-7-inch-6PIN-PCIE-to-P4-12V-8PIN-EPS-Adapter-AYA-PCI6EPS428/222290259816?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
and one of these
https://www.parallelminer.com/product/14awg-6-pin-pcie-cable-with-adapter-to-power-atx-module-160w-and-180w/
or buy the plugs and cables make your own an then plug it all in to a Server PSU with a matching breakout board for that PSU with PCIe cable and your set ,,
and
deep in the mines all ready sells a plug and cable set that to me cost to much , i bought one it works great but not worth what they charge for it .
https://www.deepinthemines.com/collections/cables-accessories/products/mini-itx-power-supply-power-cable
and you may need a
https://www.ebay.com/itm/7-7-inch-6PIN-PCIE-to-P4-12V-8PIN-EPS-Adapter-AYA-PCI6EPS428/222290259816?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
to use the 14 dollar cable it doesn't come with the converter or pay them a few bucks more and get one with the converter.
and here is the guy on the forums selling Pico kits gt_addict is talking about, I got tried of waiting on and made my own kits, once i learned how to ...
https://bitcointalksearch.org/topic/server-psu-powered-gpu-rig-packages-picos-risers-adapter-cables-etc-1864539
tbh if your going to come at someone sideways like that you should atleast have picked out the right cables, the 6 pin to eps 12v has a FEMALE plug not a male plug, that said that wont work with a breakout board not to mention its 10 bucks, and the cable to power the pico is a WASTE, not to mention its also 10 bucks, my cable does BOTH for under 7 dollars. as ive said if you cant do it with just 1 cable and nothing extra then its just not worth it, the things you've brought up would cost 20+ dollars compared to just under 7 dollars for the same thing and much better made with higher quality materials