Quote Originally Posted by SKYMTL View Post
I agree but that doesn't always happen. PCI-E slot power for the 2.0 spec is rated "up to" 150W, hence why some mobo makers have used auxiliary power connectors on their boards for the slot while retaining the PCI-E certification.

However, as I have said in the past: the 75W spec is usually adhered to in order to guarantee backwards compatibility.
The 150w spec includes the use of a 6-pin power plug.

No power plug, no 150w.