DELL OptiPlex 380SF, 3.16 GHz, Intel® Core™2 Duo, 3 GB, 320 GB, DVD-RW, Windows 7 Professional DELL OptiPlex 380SF. Processor frequency: 3.16 GHz, Processor family: Intel® Core™2 Duo, Processor model: E8500. Internal memory: 3 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 800 MHz. Total storage capacity: 320 GB, Optical drive type: DVD-RW. Discrete graphics card model: Intel® GMA 3100. Operating system installed: Windows 7 Professional. Chassis type: SFF. Product type: PC. Weight: 27.1 lbs (12.3 kg). Product color: Black