Lenovo desktops are built specifically for the unique needs of small businesses and are ready to be customised with the features and software you want. ThinkCentre A61 and A60 models come with AMD Athlon 64 X2 processors delivering dual-core performance and increased efficiency. Built to handle multiple programs running simultaneously, dual-core technology means optimized office productivity for your ever-growing application needs. ThinkCentre A61e models offers full size PC performance in an energy efficient, consistently quiet, ultra small form factor. A61e comes with a choice of AMD Athlon X2 or the 45-watt AMD Sempron processor. Both processors deliver performance and help make the A61e the most energy efficient ThinkCentre available.