Processor intelreg celeron processor n2840 216ghz turbo boost up to 258ghz 1mb cache dual core memory 4gb ddr3 low voltage 1 x sodimm slot hard drive 1tb 25rdquo 5400rpm 95mm optical drive dvd super 8x multi dl drive software operating system windows 81 64bit display 156 hd led backlit lcd non glare resolution 1366 x 768 169 aspect ratio graphics intel hd graphics audio two built in stereo speakers input devices keyboard and touchpad networking 80211 bgn wirel