Connects an external eSATA device to an eSATA controller! High Speed 3GHz 300Mbyte/s Shielded cable SATA end has a clip to hold it in place. Designed to connect from eSATA host controller to any e-SATA device Round Cable construction designed to be more flexible than the flat cable construction Upto 3GB per sec transfer rate Metal Shielding connector provides better EMI protection RoHS compliant = no hazardous substances used. Colour : Blue Length : 3m Standard 8mm eSATA connector. N.B. some devices use non-standard 10mm connectors. Please check with your manufacturer.