Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y Intel® Pentium® Intel Pentium G Lenovo ThinkCentre M72e Tiny, 2.5 GHz, Intel Pentium G, G2020T, 4 GB, 320 GB, Windows 7 Professional Lenovo ThinkCentre M72e Tiny. Processor frequency: 2.5 GHz, Processor family: Intel Pentium G, Processor model: G2020T. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 320 GB, Storage media: HDD. On-board graphics card model: Intel® HD Graphics. Operating system installed: Windows 7 Professional, Operating system architecture: 64-bit. Power supply: 65 W. Chassis type: USFF. Product type: Mini PC. Product colour: Black