HP Elite Desktop (Intel Quad-Core i5-2400 16GB RAM, 2TB HDD, Windows 10 Professional 64Bit) (Certified Refurbished) This Certified Refurbished 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 minimum 90-day warranty,and may arrive in a generic white or brown box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon May arrive upgraded to Windows 10 Professional as Microsoft has ended mainstream support of Windows 7 Core i5 16GB RAM 2TB HDD Includes: USB Mouse & Keyboard, necessary power cables