4 GB memory seamlessly handle multiple programs simultaneously Tiny form factor for your convenience and simplicity of usage Intel HD Graphics 630 shared graphic card for lag-free and smooth performance Intel Core i5 2.70 GHz processor provides you the solid performance to watch videos, play games, and on the same node its adaptability makes you more productive Bluetooth has easy automation and is easily upgradeable Windows 10 Pro OS makes you more productive and creative 500 GB HDD provides you ample space to store all your documents and multimedia content Security Slot feature for maximum efficiency and convenience With more hardware, desktop computer offers fast and more reliably efficient performance ENERGY STAR certified - meets federal guidelines for energy efficiency. EPEAT Gold certified - reduced environmental impact from multiple eco-attributes. Ranked in three tiers: Bronze, Silver or Gold. Energy efficient - designed to use less energy than alternative products, potentially helping you save money and reduce your carbon footprint.