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About product and suppliers:
        Alibaba.com offers 3,583 pci-e riser usb products. About 79% of these are other computer accessories, 1% are computer cables & connectors, and 1% are mobile phone cables. 

A wide variety of pci-e riser usb options are available to you, such as free samples, paid samples. 

There are 3,599 pci-e riser usb suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United Kingdom, which supply 98%, 1%, and 1% of pci-e riser usb respectively. 

Pci-e riser usb products are most popular in North America, Eastern Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 216 with Other, 164 with ISO9001, and 50 with ISO/TS16949 certification.