Acer Aspire AS5742-7620 Core i3-370M Dual-Core 2.4GHz 4GB 320GB DVD&plusmn;RW 15.6" Notebook Windows 7 Home Premium w/Webcam & 6-Cell Battery Acer Aspire Pentium Dual-Core 2.0 GHz 15.6-inch Laptop General Features: Black textured design Microsoft Windows 7 Home Premium 64-bit pre-installed w/CoA and reinstallation partition 6-Cell Li-ion battery Intel Core i3-370M Dual-Core 2.4 GHz CPU 4 GB DDR3 SDRAM (supports up to 8 GB) 320 GB Serial ATA hard drive DVD RW DL drive Intel Graphics Media Accelerator HD