Lenovo Thinkpad T420 Laptop - Core i5 - 2.5Ghz (Certified Refurbished) This Certified Refurbished product is tested & certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a 1 year warranty, and may arrive in a generic box. Only select sellers who maintain a high perfomance bar may offer Certified Refurbished products on Amazon.com Core i5-620M (4M Cache, 2.66ghz) 4GB Fast DDR3 1333mhz Memory Massive 250GB SATA Hard Drive Internal roll cage protects components from accidental damage