Lenovo ThinkCentre A55, 1.6 GHz, Intel® Pentium® Dual-Core, 0.5 GB, 160 GB, DVD±RW, Windows XP Professional Lenovo ThinkCentre A55. Processor frequency: 1.6 GHz, Processor family: Intel® Pentium® Dual-Core. Internal memory: 0.5 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: 225 W. Chassis type: SFF. Product type: PC. Weight: 8.5 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...