High End HP Computer slowdowns

I am a resent purchaser of a HP m9350f Pavillion Elite Desktop computer. Seems like HP is having major problems with their PC's that I would like to point out. There are quite a few users on some forums that are having problems. The computer slows to a crawl once a week and we are concerned about some of the sub-standard hardware HP is installing in their computers. Could be power supply or motherboard but I fell more its the power supply but at this point it could be something else, we have not pinpointed yet. One user has changed the power supply and motherboard and reports that the computer is now fine. The computer only comes with a 460 watt PSU from HP. So beware if you purchase this computer or any other high end HP computer you may have alot of trouble. I have returned mine to HP for service and we will see how it goes, but I can see changing out the power supply right off the bat when I get it back.

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