750W LED Upgrade Power Supply for Dell OptiPlex 790/990/7010 MT Mini Tower PC

SHARK TECHNOLOGY® 750-Watt Upgrade Power SupplyReplacement for Dell L265EM-00 PS-6271-01DAUpgrade Power Supply for Dell OptiPlex 790/990/7010 MT Mini Tower Desktop ComputerAttention: fits standard mini tower MT form factor, not the skinny slim tower SFF version (see last picture for size illustration)    Supply power on-demand up to 750-Watt for new system or name brand PC upgrade application    Supports 6pin or 8pin PCI-E graphic card    Quiet Operation with Quad Power Status LEDs    Status LEDs turn off when power is turned off    Optimized cooling design    Long cables to allow for easy installation in Dell Optiplex    Black casing with black round circular fan guard to reduce air drag Mechanical Design Improved Mechanical DesignMassive 120mm fan draws heat from CPU area and cools the power supply at the same time. Special slippery circular tube design black anodized fan-guard allows air to flow in smoothly and quietly while providing protection against unintended installation injury.        This SHARK TECHNOLOGY® unit comes with cables that are long enough to fit perfectly in gaming cases where PSU are bottom mounted as well.        Want a better power supply that can provide stable power to your PC system without frequent reset, self shut-down, hang-up, or sensitivity to AC input voltage fluctuation? Look no further Technical  Specifications AC INPUT 115V/230V - 60/50Hz DC OUTPUT +3.3V +5V +12V1 +12V2 -12V +5VSB 750W Peak Combined Watts 25A 25A 25A 25A 0.3A 2.5A 750W     +12V1 & +12V2 combined peak output is 552W     Maximum Power Output: 750W    Efficiency: Typical 70%    Manual shut-down rocker switch    Input: 100-127V AC or 200-240V AC - select-able by switch.    Dimension: 150mm x 86mm x 156mm  (the 156mm length is the side that extends inside the case when installed)