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About product and suppliers:
        Alibaba.com offers 125 20gb sata hard drive products. About 28% of these are hard drives. 

A wide variety of 20gb sata hard drive options are available to you, such as external, internal. You can also choose from 3.5", 2.5". As well as from stock, used. And whether 20gb sata hard drive is sata, or ide. 

There are 42 20gb sata hard drive suppliers, mainly located in Asia. The top supplying country or region is China, which supply 100% of 20gb sata hard drive respectively. 

0gb sata hard drive products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 30 with ISO9001, 1 with Other certification.