Dell Latitude D400 Centrino computer CPU Intel Centrino 1.7Ghz MEMORY 256 MB System Memory HARD DRIVE 40 GB Hard Drive OPTICAL DRIVE CD Rom (External) MODEM 56K NETWORK 10/100, 802.11b Wireless DISPLAY 12.1" TFT DISPLAY ADAPTER Intel 64MB Video Memory SOUND Stereo KEYBOARD Standard POINTING DEVICE Touchpad and Pointing Stick EXPANSION SLOTS Ext. Monitor, Serial, 2 USB, phones out, mic in, Infrared, 1 Fire Wire A/C ADAPTER Auto Sensing 110-240 Volts BATTERY Li-Ion OTHER FEATURES Built-in 802.11b Wi-Fi Wireless CONDITION Genuine Condition WEIGHT 3.7 lbs DIMENSIONS 11.6" x 9.6" x 1.0"