Some housings have it already, some not - we're talking about an external SATA (eSATA). Using this panel eSATA slot, an internal SATA motherboard connector are routed to the outside.
Opening the side panel is no longer necessary and complete the connection of the plate brought a friend or even their own external HDD cases with eSATA device a breeze. The bracket is simply plugged into a PCI slot, connected to the internal SATA interface and the external SATA port is already available.
Motherboard Connector: SATA II
External Interface: eSATA
Cable length: 45 cm