HP Elite 8300 Core i7 3.4GHZ, 512GB SSD, 16GB, Windows 7 Pro 64-Bit (Certified Refurbished) This Certified Refurbishedd product is tested and certified by the manufacturer or by a third-party refurbisher to look and work like new,with limited to no signs of wear.The refurbishing process includes functionality testing,inspection,reconditioning and repackaging.The product ships with all relevant accessories,a 180-day warranty,and may arrive in a generic white or brown box.Only select sellers who maintain a high performance bar may offer Certified Refurbishedd products on Amazon. 512GB SSD. Software Installed? New Installation of Windows 7 Pro (4) USB 3.0 Ports