LG Electronics Internal DVD Writer Drive GS40N Buffer Memory: 0.75MB Interface: SATA Sustained Rate: DVD-ROM: 11.08 Mb/s (8x) max, CD-ROM: 3,600 Kb/s (24x) max. Operating System: Windows 8/7/Vista/XP/2000, Windows Server 2008/2003 Refer user manual and specification sheet below product description.