Yz_too&reg;New for Lenovo Thinkpad DVDRW/CDRW Burner T420 T420i T520 T530 T430 45N7604 45N7602 GT50N 75Y5111 75Y5110 75Y5234 45N7550 04Y1544 12.7MM New for Lenovo Thinkpad DVDRW/CDRW Burner T420 T420i T520 T530 T430 45N7554 45N7602 75Y5115 75Y5114 45N7544 12.7MM FOR IBM Lenovo ThinkPad DVDRW / CDRW Optical Drive Plays & Burns DVDs & CDs FOR IBM Part Number 75Y5235 75Y5115 04Y1544 45N7544 75Y5115 75Y5114 45N7550 45N7551 45N7604 45N7602 Super Multi DVD Rewriter Model GT50N Fits Models: T520 T520i W510 W520 T420 T420i R400 R500 W700 W700ds W701W701dsT430 T430i T530 T530i W530 T420 T420i