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 4th Generation Intel® Core™ processors are based on Intel® microarchitecture formerly known as Haswell, manufactured on 22 nm process technology with 3D tri-gate transistors. This platform provides excellent CPU, graphics, media performance, flexibility, and enhanced security over the 3rd generation Intel® Core™ processors, making it ideal for a broad range of intelligent systems. Intel Core i5-4xxx HP RP5 5810, Intel® Core™ i5, i5-4570S, 4th gen Intel® Core™ i5, 2.9 GHz, 6 MB, Intel® Q87 HP RP5 5810. Processor family: Intel® Core™ i5, Processor model: i5-4570S, Processor generation: 4th gen Intel® Core™ i5. Internal memory: 16 GB, Internal memory type: DDR3-SDRAM, Maximum internal memory: 32 GB. Total storage capacity: 500 GB, Storage media: HDD, HDD capacity: 500 GB. Graphics card manufacturer: Intel, Graphics card: HD Graphics 4600. Audio system: Realtek ALC261, Optical drive type: DVD-ROM