While the speed of Intel Pentium D and AMD™ Athalon 64 X2 processor have increased at an amazing rate, at HEC, we now are proud to launch the quiet and very affordable "Zephyr 650", Zephyr 650 is a 650W power supply unit that provides great power with quality construction and helpful features. For being as powerful as it is, the Zephyr 650 with Active PFC this model very quiet even under loaded conditions. With great care taken into heat dissipation, such as special copper heat sinks and two fans (120mm & 80mm) with blue LED design. The fan grills are unique, as they have a gold finish which catches the eyes, and the latest ATX 12V 24(20+4)pin connector designed for most brands of P4 motherboards. HEC Zephyr 650 has the end-user's best interest in mind. Though the power supply scene is constantly changing HEC® is the name you can trust for quality and reliability around the world.