About product and suppliers:
            4,962 portable hard disk products are offered for sale by suppliers on Alibaba.com, of which hard drives accounts for 36%, hdd enclosure accounts for 25%, and usb flash drives accounts for 1%. 

A wide variety of portable hard disk options are available to you, such as hdd. You can also choose from 5400rpm, 7200rpm portable hard disk, as well as from 2.5", 1.8" portable hard disk, and whether portable hard disk is ≥ 2tb, 800gb - 1.5tb, or 80gb - 160gb. 

There are 4,929 suppliers who sells portable hard disk on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, and India, from which the percentage of portable hard disk supply is 1%, 98%, and 1% respectively. 

Portable hard disk products are most popular in United States, United Kingdom, and France.