The ModXStream Pro Series is the superlative solution for driving today"s gaming systems, and is NVIDIA SLI certified to power dual graphics. Professional-grade yet designed with gamers and modders in mind, this PSU is stable, robust, and sports a sleek look and compact form factor. Kept ultra-cool with a load-controlled 135mm fan, the ModXStream Pro was engineered to run whisper quiet in your PC. 80+ Certified, featuring up to 86% efficiency at typical load, this leading-edge power supply remains rock solid and powerful while retaining superior efficiency under load.