Lenovo ThinkPad T400 Laptop C2D 2.40ghz - 4GB DDR3 - 160GB HDD - DVDRW - Windows 10 Home 64bit - (Certified Refurbished) This Certified Refurbished product is tested & certified to work like new by a Microsoft Authorized Refurbisher. The product includes charger, and is backed by a 90 day warranty. Intel Core 2 Duo 2.40GHz 4GB RAM / 160GB Hard Drive 14.1" display / DVDRW Windows 10 Home 64bit