Wattage for Apple-installed PCIe cards

The MacPro PCI system is limited to a total of 300 watts. My new MacPro had the Apple RAID card and the ATI Radeon X1900 XT card preinstalled. I need to know the power consumption (Watts) for each of these cards, so that I can determine what other PCIe cards I can install. What are the Watt figures for each of these cards?
Thank you
NB

An excerpt from bare feats...
*RUNNING TWO RADEON X1900 XTs
We know of at least one university running two Radeon X1900 XTs in their Mac Pro. They are using them to drive three 1920x1080 projectors. I'm not sure now many Mac Pro users would want two X1900s in their Mac Pro but there are two things you should know if you do:
1) The PCI Express bus can handle a total of 300 watts. Each Radeon X1900 XT requires a peak of 132 watts. So two of them equals 264 watts. You should be okay if you don't add any other PCIe cards -- especially since both cards are pulling power from the special six pin motherboard connector instead of the bus!
2) To get the best performance from both high-end cards, we recommend installing the second X1900 in slot 2 (since slot 1 is double wide) and using the Expansion Slot Utility (in System/Library/CoreServices) to configure both slot 1 and 2 to run in 8 lane (x8) mode. (Though slot 4 can be configured to run at x8 with slot 1 running at x16, the X1900's heatsink is too thick to allow it to fit there. And slot 3 can only be configured as x4.)*
I don't think Apple has as publicly stated cower consumption for the RAID card. Less than 80 Watts Max would be a good guess.

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