Dell Inspiron 1545 Series DVD+/-RW 8x 12.7mm SATA Internal Laptop Optical Drive with Bezel GT10N RY28X 0RY28X CN-0RY28X.Dell Part Number: RY28X 0RY28X CN-0RY28XHitachi - LG Model Number: GT10NCompatible Part Numbers: P633H 0P633H CN-0P633H LGE-DMGT10D(B)Compatible Models: Dell Inspiron 1545 Series