Hard drive enclosure

A hard drive enclosure with functionality of quick-release, is for application in a host computer, and comprises: an accommodating unit, a plurality of removable units, a connection inter face module, and a connection module. Wherein the accommodating unit has an accommodating space and a receiving opening. And the plurality of removable units is inserted into the accommodating space through the receiving opening, and each of the plurality of removable units carries with a storage device. In the present invention, according to particular design of electrical connectors constituted by printed circuit board assembly, so as to improve insufficient space for electrical routing. In other words, the hard drive enclosure of the present invention includes advantages of decreasing assembly time and low production cost.