Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y Intel® Pentium® Intel Pentium Hard Drive HDD HP 110-503a, 2.41 GHz, Intel® Pentium®, 4 GB, 1 TB, DVD Super Multi, Windows 8.1 HP 110-503a. Processor frequency: 2.41 GHz, Processor family: Intel® Pentium®, Processor model: J2900. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 1 TB, Storage media: HDD, Optical drive type: DVD Super Multi. On-board graphics card model: Intel® HD Graphics. Operating system installed: Windows 8.1, Operating system architecture: 64-bit. Power supply: 65 W. Chassis type: Micro Tower. Product type: PC