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well you can use an adapter but they aren't near as good as using a 24pin psu for a few reasons.
1. by plugging an adapter in you are increasing the electrical resistance thereby decreasing the amount of power your mobo actually recieves.
2. using an adapter doesn't really solve the problem. You are sill underpowering your mobo. the extra 4 pins are 12v power that is used to help power the pcie slot and keep your cpu voltage regular. But the 24pin adapter just splits the 12v lines that are already there... so you actually don't get any more amps than you would before... you actually get less they are just spread out more.
3. DFI boards are very picky about the psu that you use. I highly suggest you head over to DFI street and take a look at the reccomended psu list.
http://www.dfi-street.com/forum/show...77&postcount=1
4. I had an Aspire 500w psu that couldn't handle my system before I had the DFI board, 148, or my 7800GT. it has a 20pin atx connector and i tried it both with and withouth the 24pin adapter and I didn't notice any difference. The adapter did not help my stability issues. What helped was buying a quality 24pin psu.
Also, I found a thread where someone is looking for a psu for the Ultra D and you should take a look through it.
http://www.dfi-street.com/forum/showthread.php?t=41052
1. by plugging an adapter in you are increasing the electrical resistance thereby decreasing the amount of power your mobo actually recieves.
2. using an adapter doesn't really solve the problem. You are sill underpowering your mobo. the extra 4 pins are 12v power that is used to help power the pcie slot and keep your cpu voltage regular. But the 24pin adapter just splits the 12v lines that are already there... so you actually don't get any more amps than you would before... you actually get less they are just spread out more.
3. DFI boards are very picky about the psu that you use. I highly suggest you head over to DFI street and take a look at the reccomended psu list.
http://www.dfi-street.com/forum/show...77&postcount=1
4. I had an Aspire 500w psu that couldn't handle my system before I had the DFI board, 148, or my 7800GT. it has a 20pin atx connector and i tried it both with and withouth the 24pin adapter and I didn't notice any difference. The adapter did not help my stability issues. What helped was buying a quality 24pin psu.
Also, I found a thread where someone is looking for a psu for the Ultra D and you should take a look through it.
http://www.dfi-street.com/forum/showthread.php?t=41052