About product and suppliers:
            584 4tb external hard drive products are offered for sale by suppliers on Alibaba.com, of which hdd enclosure accounts for 27%, hard drives accounts for 10%. 

A wide variety of 4tb external hard drive options are available to you, such as hdd, ssd. You can also choose from abs 4tb external hard drive, as well as from 5400rpm, 7200rpm, and 15000rpm 4tb external hard drive, and whether 4tb external hard drive is new, stock, or used. 

There are 237 suppliers who sells 4tb external hard drive on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of 4tb external hard drive supply is 100% respectively.