Dell XPS 15 9550 Laptop 15.6" 4K UHD (3840 x 2160) Touch, Intel i7-6700HQ 3.5GHz Quad Core 16GB RAM 512GB SSD NVIDIA GeForce GTX 960M w/ 2GB GDDR5 Windows 10 Professional (Certified Refurbished) This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Intel Core i7 6700HQ WITH TURBO BOOST UP TO 3.5GHz 16GB 2133MHz DDR4 512GB NVME SSD NVIDIA GeForce GTX 960M with 2GB GDDR5, Bluetooth 4.1 15.6-Inch 4K Ultra HD (3840 x 2160) InfinityEdgeTouch Display, Windows 10 Professional