Will this: http://www.amazon.co.uk/Sapphire-Dual-X-Radeon-GDDR5-Graphics/dp/B00FL8H49Q work on my PSU: http://www.amazon.co.uk/CiT-480W-Power-Supply-Rails/dp/B002Q8HFBG - I noticed it requires 2 x 6pin PCIE connectors for it, my PSU only has 1, but can i just buy a molex or somthing?