This unit is a Librebooted Thinkpad R400 with 4GB of RAM, a Core 2 Duo P8400 processor and charger. This machine is intended to be a base for further additions, like adding a 2.5" SSD, adding a freedom respecting wifi card, and using up to 8GB of RAM. This unit does not include a HDD door screw (door is included), HDD, or battery. Internet can be used through Ethernet or by changing out the wifi card.