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About product and suppliers:
        Alibaba.com offers 1,356 500w power source products. About 28% of these are switching power supply, 3% are inverters & converters, and 1% are ac/dc adapters. 

A wide variety of 500w power source options are available to you, such as single, multiple, and dc. You can also choose from >500w, 301 - 400w, and 1 - 50w. As well as from 380v, 220v, and 110v. And whether 500w power source is dc/ac inverters, or standby. 

There are 1,356 500w power source suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 500w power source respectively. 

00w power source products are most popular in North America, Domestic Market, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 553 with Other, 417 with ISO9001, and 17 with ISO14001 certification.