The Corsair Professional HX650W modular power supply delivers 650 Watts of clean, continuous power. The high-efficiency design reduces electricity usage and minimizes as much heat generation as possible. Enthusiasts looking for the optimal price to performance PSU technology will find the Corsair 650HX will meet even the most demanding of required specifications. With design features such as a dedicated, single +12V rail, and Flat, low-profile modular cables allow for easy cable routing and increased airflow, the HX series offers the maximum compatibility with the latest system components. Energy efficient circuitry capable of delivering greater than 80% efficiency ratings across 20%, 50%, and 100% load conditions make the 650HX Power Supply ideal for the value/quality conscious enthusiast. The large 120-mm diameter temperature-controlled fan is ultra quiet, yet still more than sufficient to cool the internal components of the power supply. Reliability and stability are no longer worries for the gamer, overclocker or enthusiast and high-end system builder. The 650HX is backed with an industry-leading 7-year warranty from Corsair, the most respected name in Power Supplies, with a passion for designing quality products, and great 24/7 on demand customer service and support. Corsair HX Professional Series power supplies set a new standard by which all premium power supplies must be judged. Designed and engineered using cutting-edge technology, each Corsair Professional Series power supply is built to the highest quality standards, and delivers the features and performance that technology enthusiasts demand.