ACER ASPIRE ONE D255E PROCESSOR: INTEL ATOM N455 1.66GHZ CHIPSET : INTEL® HM55 CHIPSET MEMORY : 1024MB DDR3 SYSTEM MEMORY HARD DRIVE : 250GB SATA HARD DRIVE 5400rpm DISPLAY : 10.1" ACER CINECRYSTAL OPERATING SYSTEM : WINDOWS 7 STARTER COLOR: WEIGHT & DIMENSION :