Patent ID: 7744427

Claim:
An electrical connector providing an interface for storage device, comprising: an insulated housing defining a longitudinal slot in a front face, the slot having a first and a second inner side faces facing to each other, and the first and second inner side faces extending in a first direction perpendicular to the front face; a plurality of electrical contacts disposed in the insulated housing and lined along the first inner side face, each of said electrical contacts extending along the first direction for mating with a mating electrical connector; wherein the first inner side face of said slot defining two grooves extending along the first direction from the front face; wherein the slot and the grooves are shaped compatible with an internal micro Serial ATA plug connector and the grooves prevents insertion of other Serial ATA cables; wherein said two grooves divides the plurality of contacts into three groups in turn the first, the second and the third groups, the first group of contacts composing of two optional contacts used for delivering power, the second group of contacts composing of seven contacts used for delivering power, the third group of contacts composing of seven contacts being used for delivering signal; wherein the electrical connector further comprises a second plurality of electrical contacts assembled to the insulated housing and lined along the second side face, each of said second plurality of electrical contacts extending along the first direction for mating with said mating electrical connector; and wherein the second plurality of electrical contacts composes of seven contacts and are aligned to the first group of contacts and the neighboring groove in a second direction perpendicular to the second side face.