Legacy Intel® Core™ Processor Intel Core i3-xxx HP Pro XT280ES, 3.2 GHz, Intel® Core™ i3, 4 GB, 750 GB, DVD Super Multi, FreeDOS HP Pro XT280ES. Processor frequency: 3.2 GHz, Processor family: Intel® Core™ i3, Processor model: i3-550. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 750 GB, Card reader integrated, Optical drive type: DVD Super Multi. On-board graphics card model: Intel® HD Graphics, Discrete graphics card model: NVIDIA® GeForce® GT 440. Operating system installed: FreeDOS. Power supply: 300 W. Chassis type: Mini Tower. Product type: PC. Product color: Black