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About product and suppliers:
        Alibaba.com offers 10,147 500w power supply products. About 18% of these are switching power supply, 5% are pc power supplies, and 4% are uninterrupted power supply (ups). 

A wide variety of 500w power supply options are available to you, such as 401w - 500w, 501w - 600w, and 150w - 250w. You can also choose from desktop, server. As well as from 20 + 4pin, 24pin. And whether 500w power supply is free samples, or paid samples. 

There are 10,265 500w power supply suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 98%, 1%, and 1% of 500w power supply respectively. 

00w power supply products are most popular in North America, Eastern Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 3,282 with ISO9001, 932 with Other, and 289 with ISO14001 certification.