Intel® Pentium® Intel Pentium DELL OptiPlex 380 MT, 2.7 GHz, Intel® Pentium®, 2 GB, 250 GB, DVD-RW, Windows 7 Professional DELL OptiPlex 380 MT. Processor frequency: 2.7 GHz, Processor family: Intel® Pentium®, Processor model: E5400. 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 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: Black, Gray