A ultra-reliable power supply with Power Factor Correction. Replace that older or non-functioning power supply with StarTech.com's ATXPOW250PFC 250 watt power supply. The ATXPOW250PFC power supply ensures stable system performance, using an automatic temperature control fan to move hot air away from sensitive components. A superior power filtration system is achieved through an EMI/RFI power filter. Low noise/ripple as well as short circuit protection are additional reasons why the ATXPOW250PFC is the ultimate power supply for system stability.