SEDNA - 2 Port eSATA Floppy Bay Front Panel with Power Connector (Black) Fit Front Floppy Bay of your desktop PC Connect SATA I/II/III Port of your mother board to front of your PC, and use this port as eSATA ports on front of your PC Power connector to your PC Power Supply, you can get the 5 and 12V DC supply from the front panel Support SATA III Specifications, transfer speed up to 6Gbps