ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR ASUS Booksize S1-AT5NM10E, USFF, Intel NM10, BGA 559, DDR3-SDRAM, Serial ATA II, 65 W ASUS Booksize S1-AT5NM10E. Chassis type: USFF. Motherboard chipset: Intel NM10, Processor socket: BGA 559. Supported memory types: DDR3-SDRAM, Number of memory slots: 2, Maximum internal memory: 4 GB. Storage drive interface: Serial ATA II. Ethernet LAN (RJ-45) ports: 1. Power supply: 65 W