6 - Photos - Radeon 4870 1024 MB reference model (2)
Here we have the external power connectors. You connect your power supply to these 6-pin power connectors. This cards TDP is roughly 170 Watts (peak) maximum.
Hard to spot, but two Crossfire fingers are on the upper right corner, obviously allowing you to go for CrossfireX. The Crossfire connectors will be supplied with the graphics cards by the way.
And there she is, doing a good workout in our test-lab. All sweaty and steamy hot... hmmm.