Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y Intel® Pentium® Intel Pentium G ASUS Pro Series D320MT-0G44000634, 3.3 GHz, Intel Pentium G, 4 GB, 1 TB, DVD-RW, Windows 7 Professional ASUS Pro Series D320MT-0G44000634. Processor frequency: 3.3 GHz, Processor family: Intel Pentium G, Processor model: G4400. Internal memory: 4 GB, Internal memory type: DDR4-SDRAM, Memory clock speed: 2133 MHz. Total storage capacity: 1 TB, Storage media: HDD, Optical drive type: DVD-RW. On-board graphics card model: Intel® HD Graphics 510. Operating system installed: Windows 7 Professional, Operating system architecture: 64-bit. Chassis type: Desktop. Product type: PC. Product colour: Black