Intel® Pentium® Intel Pentium D Acer Aspire T650, 2.8 GHz, Intel® Pentium® D, 1 GB, 250 GB, DVD±RW, Windows XP Media Center Edition 2005 Acer Aspire T650. Processor frequency: 2.8 GHz, Processor family: Intel® Pentium® D, Processor model: 820. Internal memory: 1 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 250 GB, Optical drive type: DVD±RW. Discrete graphics card model: AMD Radeon X1300. Operating system installed: Windows XP Media Center Edition 2005. Chassis type: Tower. Product type: PC