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 t820, 2.9 GHz, Intel® Core™ i5, 4th gen Intel® Core™ i5, i5-4570S, 4 GB, DDR3-SDRAM HP t820. Processor frequency: 2.9 GHz, Processor family: Intel® Core™ i5, Processor generation: 4th gen Intel® Core™ i5. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 32 GB, Storage media: SSD, Storage drive interface: mSATA. On-board graphics card model: Intel® HD Graphics 4600. Cabling technology: 10/100/1000Base-T(X)