Applications installing a 18in or 25 inch slimline sata hard drive bull add a slimline optical drive to a desktop pc this 12 inch slimline sata female to sata power cable adaptor with lp4 connector features one 7 pin sata female data connection and one lp4 power connection on one end and a slimline serial ata female connection on the other allowing you to connect a slimline sata drive to a computer motherboard that does not have a slimline connection available supporting full sata 3 data