Intel® Pentium® Intel Pentium D Lenovo ThinkCentre A55, 2.8 GHz, Intel® Pentium® D, 1 GB, 80 GB, DVD-ROM, Windows Vista Business Lenovo ThinkCentre A55. Processor frequency: 2.8 GHz, Processor family: Intel® Pentium® D, Processor model: 915. Internal memory: 1 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 80 GB, Optical drive type: DVD-ROM. Discrete graphics card model: Intel® GMA 3000. Operating system installed: Windows Vista Business. Power supply: 225 W. Chassis type: SFF. Product type: PC. Weight: 18.7 lbs (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...