Asus Chromebook, Chrome OS, Rockchip RK3288C Quad-Core, 1.8 , Integrated Rockchip Mali T764, 16 GB, Silver, 10.1 (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 manufacturer or 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.