Connector assembly

A connector assembly connected between a motherboard and a backplane, the connector assembly comprising:

• a mini serial attached small computer system interface (Mini-SAS) connector comprising at least one group of pins, wherein each group of pins comprises first to seventh pins, the first pin, the fourth pin, and the seventh pin are ground pins, the second pin, the third pin, the fifth pin, and the sixth pin are signal pins;
• at least one serial advanced technology attachment (SATA) connector, wherein each SATA connector comprises first to seventh pins, the first pin, the fourth pin, and the seventh pin are ground pins, the second pin, the third pin, the fifth pin, and the sixth pins are signal pins;
• and
• at least one switch unit, wherein each switch unit comprises first to fourth single-pole double-throw (SPDT) switches, each SPDT switch comprises a pole, a first throw, and a second throw, the fifth pin of the Mini-SAS connector is connected to the pole of the first SPDT switch, the third pin of the Mini-SAS connector is connected to the pole of the second SPDT switch, the sixth pin of the Mini-SAS connector is connected to the pole of the third SPDT switch, the second pin of the Mini-SAS connector is connected to the pole of the fourth SPDT switch, the third pin of the SATA connector is connected to the second throw of the first SPDT switch and the first throw of the second SPDT switch, the fifth pin of the SATA connector is connected to the first throw of the first SPDT switch and the second throw of the second SPDT switch, the second pin of the SATA connector is connected to the second throw of the third SPDT switch and the first throw of the fourth SPDT switch, the sixth pin of the SATA connector is connected to the first throw of the third SPDT switch and the second throw of the fourth SPDT switch, the first pin, the fourth pin, and the seventh pin of the Mini-SAS connector are respectively connected to the first pin, the fourth pin, and the seventh pin of the SAS connector;
• wherein when the Min-SAS connector is connected to the motherboard, and the SATA connector is connected to the backplane, the poles of the first to fourth SPDT switches are correspondingly connected to the first throws of the first to fourth SPDT switches;
• when the Min-SAS connector is connected to the backplane, and the SATA connector is connected to the motherboard, the poles of the first to fourth SPDT switches are correspondingly connected to the second throws of the first to fourth SPDT switches.