 The front of the console features an illuminated slot @-@ loading optical media drive which accepts only 12 cm Wii Optical Discs and 8 cm Nintendo GameCube Game Discs . ( Units sold in South Korea and later revisions do not support GameCube discs . ) The blue light in the disc slot illuminates briefly when the console is turned on , and pulses when new data is received through WiiConnect24 . After the update ( including System Menu 3 @.@ 0 ) , the disc @-@ slot light activates whenever a Wii disc is inserted or ejected . When there is no WiiConnect24 information , the light stays off . The disc @-@ slot light remains off during game play or when using other features . Two USB ports are located at its rear . An SD @-@ card slot is located behind the cover on the front of the console . 
