DELL OP380MT-E311, 2.93 GHz, Intel® Core™2 Duo, 2 GB, 250 GB, DVD-RW, Windows 7 Professional DELL OP380MT-E311. Processor frequency: 2.93 GHz, Processor family: Intel® Core™2 Duo, Processor model: E7500. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1066 MHz. Total storage capacity: 250 GB, Optical drive type: DVD-RW. Discrete graphics card model: Intel® GMA X4500. Operating system installed: Windows 7 Professional. Power supply: 255 W. Chassis type: Mini Tower. Product type: PC. Weight: 26.5 lbs (12 kg). Product color: Gray