A refrigerator comprising: a refrigerator body; doors (20a; 20b) mounted to the refrigerator body to open or close the refrigerator body; a hinge cover attached to at least one of the doors; a dispenser mounted in a recess formed in a front surface of one of the doors; a plurality of display units (30; 40) provided at the door, one of the display units being adjacent to the dispenser; an external-appliance connector (46a; 46b) adapted to perform transmission and reception of data with an external appliance and with the display unit; and a data cable extending from the external-appliance connector to one of the display units, wherein each of the display units (30; 40) includes: a display (32; 43) for displaying an image or audio data, or data as to a status of the refrigerator; a connector for performing transmission and reception of the data or command with the remaining display units; and a controller (37; 47) for controlling the data transmission and reception via the connector, the controller being configured to display the data and to perform a control operation according to the command, characterized in that the external-appliance connector (46a, 46b) is mounted in the hinge cover or is mounted near the display of the display unit adjacent to the dispenser; and the external-appliance connector (46a, 46b) further comprises a rubber cap for protecting the external-appliance connector. a refrigerator body; doors (20a; 20b) mounted to the refrigerator body to open or close the refrigerator body; a hinge cover attached to at least one of the doors; a dispenser mounted in a recess formed in a front surface of one of the doors; a plurality of display units (30; 40) provided at the door, one of the display units being adjacent to the dispenser; an external-appliance connector (46a; 46b) adapted to perform transmission and reception of data with an external appliance and with the display unit; and a data cable extending from the external-appliance connector to one of the display units, wherein each of the display units (30; 40) includes: a display (32; 43) for displaying an image or audio data, or data as to a status of the refrigerator; a connector for performing transmission and reception of the data or command with the remaining display units; and a controller (37; 47) for controlling the data transmission and reception via the connector, the controller being configured to display the data and to perform a control operation according to the command, a display (32; 43) for displaying an image or audio data, or data as to a status of the refrigerator; a connector for performing transmission and reception of the data or command with the remaining display units; and a controller (37; 47) for controlling the data transmission and reception via the connector, the controller being configured to display the data and to perform a control operation according to the command, characterized in that the external-appliance connector (46a, 46b) is mounted in the hinge cover or is mounted near the display of the display unit adjacent to the dispenser; and the external-appliance connector (46a, 46b) further comprises a rubber cap for protecting the external-appliance connector.