Features power factor control silent with better ventilation atx 12v compliant for most cpu39s and mainboards input voltage options 115vac230vac spire technology is proud to present to you pulse power supplies a new brand of psu that ensures stability and value for money excellent value for money doesnrsquot mean corners have been cut ndash every pulse psu comes certified rohs compliant and with power factor control ndash giving you a safe and stable foundation to build systems from pu