**RMx Series RM1000x 1000 Watt 80 PLUS® Gold Certified Fully Modular PSU** ** Gold-certified efficiency with extremely tight voltage regulation to deliver superior performance** Corsair RMx series power supplies give you extremely tight voltage control, quiet operation, Gold-certified efficiency, & a fully modular cable set. Built with all Japanese 105°C capacitors, theyre a great choice for high performance PCs where reliability is essential. 80 PLUS Gold efficiency reduces operating cost & excess heat, & Zero RPM fan mode ensures virtual silence at low & medium loads. &, the fully modular DC cables make builds & upgrades easy, with clean, great-looking results. **80 PLUS Gold certified** Gold certification ensures high efficiency operation for less excess heat & lower operating costs. **100% Japanese 105°C capacitors** Premium internal components ensure solid power delivery & long term reliability. ** Zero RPM Fan Mode** Since the fan doesnt turn on until its needed, youll enjoy virtually silent operation at low & medium loads. ** Seven year warranty** Your guarantee of reliable operation that will last across several system builds. ** Fully modular cable set** Installation is faster, since you can mount the power supply in the case first, & then attach only the cables you need. ** Technical Information:** 80 PLUS® Gold efficiency, delivering 90% energy efficiency at real world load conditions Zero RPM mode for fanless operation at low loads & outstanding noise reduction 135mm thermally controlled fan spins up as needed Fully modular cables for easy installation, less clutter, & helps maximize airflow through your computers chassis Engineered to meet maximum power output at a server-grade 50°C temperature rating Over-voltage protection, under-voltage protection, short circuit protection, over power protection, & over temperature protection provide maxim