Intel Celeron SU2300 (1.20 GHz, 1MB L2 cache) 13.3-inch diagonal LED backlit HD (1366x768) 2 MP Webcam 160GB 7200rpm SATA Hard Drive 2048MB 1333MHz DDR2 (1 DIMM) (runs at 51066MHz) Broadcom 802.11b/g, BT 2.1 not included 10/100/1000 NIC Mobile Intel GS45 Express 4-cell (41 WHr) Lithium-Ion battery Kensington lock slot Genuine Windows 7 Professional with downgrade to Windows XP Professional custom installed w/MS Office (Trial)