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 t620 PLUS Flexible, 2 GHz, AMD G, 1st Generation AMD Embedded G-Series SoC, GX-420CA, 2 MB, 4 GB HP t620 PLUS Flexible. Processor frequency: 2 GHz, Processor family: AMD G, Processor generation: 1st Generation AMD Embedded G-Series SoC. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 16 GB, Storage media: SSD, Storage drive interface: mSATA. On-board graphics card model: AMD Radeon HD 8400E, Discrete graphics card model: AMD FirePro 2270. Audio system: 24-bit stereo