Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y Intel® Pentium® Intel Pentium G Lenovo ThinkCentre Edge 72, 3 GHz, Intel Pentium G, 4 GB, 500 GB, DVD-RW, FreeDOS Lenovo ThinkCentre Edge 72. Processor frequency: 3 GHz, Processor family: Intel Pentium G, Processor model: G2030. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Storage media: HDD, Card reader integrated, Optical drive type: DVD-RW. On-board graphics card model: Intel® HD Graphics. Operating system installed: FreeDOS. Power supply: 280 W. Chassis type: Tower. Product type: PC. Product color: Black