Part#: XA670AW#ABA Operating System: Windows 7 Professional 32-bit Optical Drive Type: DVD Super Multi Chipset: Intel HM57 Resolution: 1366 x 768 LCD Features: LED backlight, anti-glare Memory Speed: DDR3 1333 WLAN: Intel Centrino Advanced-N 6200 (802.11 a/b/g/n)