The VP550P is crafted for quality, performance and incredible value. This entry-level solution gives you everything you need in a power supply. No twinkly lights or glittery paint jobs a 120 mm fan for effective and quiet cooling, dual+12V rails for amazingly stable power, heavy-duty protection circuitry and Active Power Factor Correction (PFC). VP550P meets the 80 PLUS standard, thereby saving you money on corporate power bills. And it comes with all the assurance of Antec's AQ2 Antec Quality 2 year limited warranty. All the features, none of the waste: for builders that are strictly business, the VP550P is strictly power.