Help ensure a steady and reliable flow of power to your computer by using the Straight Power 11 650W 80 Plus Platinum Modular Power Supply from be quiet!. Designed for computer builders and tech enthusiasts, the unit delivers up to 650 watts of power across four +12V rails with a power 80 Plus Platinum energy efficiency rating of up to 93.7%. Its modular sleeved cables allow you to only use what you need, which cuts down cable clutter while improving the airflow inside your system. The Straight Power 11 features a 135mm Silent Wings 3 fan with a 1500 max rpm, which quietly cools the unit as it powers your computer system. Cables are included to support storage drives, accessories, and multiple graphics cards.