So here I try to find some website to buy the components can you just check to see if everything is correct (if you have time) and also it doesn't bother me just to solder the barrel plug. And also which graphic cards is better the galax gtx970 gamer oc or the gygabite gtx 970 mini? Websites: Barrel plug: 5.5mm x 2.5mm DC Power Plug to Screw Terminal Adapter Graphics cards: http://www.amazon.com/Gigabyte-GeForce-Overclocked-GDDR5-GV-N970IXOC-4GD/dp/B00OQUMGM0 GALAX NVIDIA GeForce GTX 970 EXOC Black Edition Power : Dell DA-2 USFF Power supply Optiplex 745 755 760 D220P-01 MK394 AC ADAPTER | eBay 2x6-Pin PCIe splitter: THIS http://www.amazon.co.uk/Graphics-Electrical-Cable-Adapter-Express/dp/B002CX4TNM/ref=pd_sim_147_1?ie=UTF8&refRID=16E5BRVYFC9TQ5CMFGW0 OR Ls 18 Awg Wire Pci-express 6 Pin Male To 2x6 Pin Female Pci-e Y Splitter Power Extension Cable - Buy 18 Awg Wire Pci-express 6 Pin Male To 2x6 Pin Female Pci-e Y Splitter Power Extension Cable,6 Pin Pci-e Y Splitter,6pin Pci-e Male To 2x6 Pin Pci-e Y OR Pci-e 6-pin Male To Dual 6-pin Female Power Y Cable Pcie 6pin-2x6pin Splitter - Buy Atx Extension Cable,Pci-e Cable,Atx Extension Cable Product on Alibaba.com Case: AKiTiO Thunder2 PCIe Box | PCI Express Expansion Box with Thunderbolt 2 Interface | AKiTiO With all this will I have only the barrel plug to solder or some other parts ? And I wanna Thank you to you for answering all my questions!