M12 series power supplies are with detachable modular DC cables. Designed for Do-It-Yourself (DIY) system builders, gamers and Over-clocker enthusiasts. They provide stable power for high end, high performance graphics applications. M12 series is built to the highest quality and specifications. The double forward converter circuit design coupled with active power factor correction ensures that these power supplies achieve the highest efficiency ratings in the industry. Additionally, Seasonic proprietary dual magnetic circuit design enables the M12 power supplies to maintain a tight 3% tolerance on the all important 12VDC output line which is so critical to gamers and Over-clockers who seek stability even at maximum system loads.