I do not know about your particular model, but I know that many if not most Dells need a PSU specifically designed for use in Dell products. PC Power and Cooling does make one that I know of but none that are 80+ certified. Dell Upgrade Power Supplies from PC Power & Cooling
We wouldn't lie to you. I don't understand why getting a yes from like 5 different people before wasn't enough. It was completely unnecessary for you to start this thread. We like to keep the thread lists clear and void of redundant threads like this one. Please don't do it again.