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About product and suppliers:
        Alibaba.com offers 1,197 antminer a3 products. About 10% of these are usb flash drives, 3% are switching power supply, and 1% are pc power supplies. 

A wide variety of antminer a3 options are available to you, such as free samples. 

There are 1,215 antminer a3 suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United States, and India, which supply 95%, 1%, and 1% of antminer a3 respectively. 

Antminer a3 products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 305 with Other, 33 with ISO9001, and 1 with ISO14001 certification.