Intel® Pentium® Intel Pentium D Lenovo ThinkCentre A55, 3 GHz, Intel® Pentium® D, 1 GB, 160 GB, DVD±RW, Windows XP Professional Lenovo ThinkCentre A55. Processor frequency: 3 GHz, Processor family: Intel® Pentium® D, Processor model: 925. Internal memory: 1 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 160 GB, Optical drive type: DVD±RW. Discrete graphics card model: Intel® GMA 3000. Operating system installed: Windows XP Professional. Power supply: 280 W. Chassis type: Tower. Product type: PC. Weight: 10.9 kg Lenovo ThinkCentre A5510/26/06 – Compared to most of the processors used in todays budget desktops, the Lenovo ThinkCentre A55 has an ancient processor. While the Intel Pentium 4 541 was once a high end processor, it has been eclipsed by even the lo...