Intel® Pentium® Intel Pentium Acer eMachines ET1831, 2.7 GHz, Intel® Pentium®, 2 GB, 320 GB, DVD Super Multi DL, Windows 7 Home Premium Acer eMachines ET1831. Processor frequency: 2.7 GHz, Processor family: Intel® Pentium®, Processor model: E5400. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 320 GB, Card reader integrated, Optical drive type: DVD Super Multi DL. Discrete graphics card model: NVIDIA® GeForce® 7050. Operating system installed: Windows 7 Home Premium. Power supply: 250 W. Chassis type: Tower. Product type: PC. Product color: Black