HP Intel Core 2 Duo T6400, Genuine Windows Vista Home Premium 64-bit with Service Pack 1, 14.1" Diagonal WXGA High-Definition HP BrightView Widescreen Display (1280 x 800), Intel Graphics Media Accelerator 4500MHD (shared) with up to 1759MB total available graphics memory, 4096MB DDR2 System Memory (2 Dimm), 320GB (5400RPM) Hard Drive (SATA), LightScribe SuperMulti 8X DVD+/-R/RW with Double Layer Support, Wireless LAN 802.11a/b/g/n WLAN.