The cable can also be connected to a 5 V eSATAp port, so that you will get only the required 5 V for running your 2.5 HDD. This Power Over eSATA to SATA 22 pin cable enables you to connect your 2.5 or 3.5 SATA HDD externally to any free Power Over eSATA (eSATAp) port.
