Fujitsu ESPRIMO E7935, 2.5 GHz, Intel® Core™2 Quad, 4 GB, 500 GB, DVD±RW, Windows Vista Business Fujitsu ESPRIMO E7935. Processor frequency: 2.5 GHz, Processor family: Intel® Core™2 Quad, Processor model: Q8300. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 667 MHz. Total storage capacity: 500 GB, Optical drive type: DVD±RW. Operating system installed: Windows Vista Business. Power supply: 300 W. Chassis type: SFF. Product type: PC. Weight: 22 lbs (10 kg)