* 4 Bay 3.5" SATA I / II removable external hard drive enclosure support hot-swap.
* Backplane with 4 e-SATA ports (2 x 2 port eSATA brackets included).
* White LED light indicates power and continuous blinking white LED light indicates HDD access.
* Aluminum alloy body covering with distinctive design and protection.
* Shock absorption design making the HDD stable while in operations.
* Detachable rear cooling fan for easy maintenance
* Built-in power supply.
* Rubber padded soles for scratch protection.
* Mac mini design concept.