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 HP t420, 1 GHz, AMD G, GX-209JA, 1 MB, 2 GB, DDR3L-SDRAM HP t420. Processor frequency: 1 GHz, Processor family: AMD G, Processor model: GX-209JA. Internal memory: 2 GB, Internal memory type: DDR3L-SDRAM. Total storage capacity: 16 GB, Storage media: Flash. On-board graphics card model: AMD Radeon HD 8180. Cabling technology: 10/100/1000Base-T(X)