The Lepa G500 is a 500 watt Gold certified Power supply which will deliver up to 93% efficiency. The G500 Gold certified PSU from Lepa has three 12v rails that run at 25A each, a 3.3v rail and a 5v rail that both run at 20A a piece. The Lepa G500 is cooled by a 140mm fan, which should help keep the temperatures in check when you have your system running for extended periods of time. The G500 also has a slew of features, like Over Power, Over Voltage, Over Current, Short Circuit and Brown-out protection. The Lepa G500 is also a modular power supply, so it will help with any extra cable clutter, if you`re using a SFF or Mid-Tower case."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips