... DDR2533/667MHz SODIMM Socket , up to 2GB 2 x 204pin DDR3SODIMM Socket , up to 4GB2 x 200pin DDR2533/667MHz SODIMM ... Socket , up to 4GB OS SupportPOS Ready 2009, ... Mouse, 1 x PS/2 Keyboard1 x DB-15, VGA Port1 x 12VDC In, 1 x 12VDC Out 1 ... and the Pos printer,pls feel free to contact me,we would like to provide the whole set for you.Thanks ...