, A Certified Refurbished product has been tested and certified to look and work like new. The product is backed by a minimum 1-year limited warranty, and may arrive in a generic brown or white box. The product ships with all relevant accessories. , Thunderbolt digital video output , Support for 1080p resolution at up to 60Hz , Full-size backlit keyboard , Processor : 5th generation quad-core Intel Core i7; Processor speed : 2.5GHz to 3.7GHz with Turbo Boost ,