Dual Molex LP4 4 pin to 8 pin PCI-E Express Converter Adapter Power Cable
Now you can use your current non-PCI Express 2.0 (8-Pin) Power Supply with that new motherboard that supports a PCI Express 2.0 Video cards!
This power cable has a PCI-E eight-pin plug on one end that connects to your PCI Express video card with the other ends connecting to two separate Molex connectors (preferably on two different lines) of your power supply. This is the perfect saviour if you just spent a ton of money on an expensive power supply that does not support PCI Express 2.0 or for older PSUs