Lenovo Thinkpad T500 15.4" Laptop (Intel Core 2 Duo 2.40GHz, 160GB HDD, 2048MB DDR3 RAM, DVD/CD-RW, No Operating System) Processor: Core 2 Duo 2.40GHz, Memory Installed: 2GB DDR3. Upgradeable to 8GB Hard Drive: 160GB SATA HDD 7200RPM, Optical Drive: DVD/CD-RW, Software: No Operating System. HDD has been completely wiped Screen: WXGA W/LED Backlight (1280x800, 129dpi, 200+ nit) Ports & Slots: 3 USB, IEEE 1394a, VGA, Microphone/line-in, Headphone/line-out, DisplayPort, Standard ExpressCard 34/54mm Power: 10.8V 4.53Ah Li-ion Battery Pack, Lenovo AC Adapter 20V