Lenovo ThinkStation C20, 2,66 GHz, 6 GB, Windows 7 Professional Lenovo ThinkStation C20. Processor frequency: 2,66 GHz. Internal memory: 6 GB, Memory clock speed: 1333 MHz. Operating system installed: Windows 7 Professional. Power supply: 800 W https://www.itpro.co.uk/627454/lenovo-thinkstation-c20-review The ThinkStations are Lenovo's line of workstations aimed at professional users, such as video editors, publishers and artists who model and render 3D graphics. The company's latest model, the C20, is comparatively compact for a tower PC. It's small enough to... There’s a lot to like about the ThinkStation C20. It’s fast, quiet, relatively compact and comes with a professional-level graphics card as well as a lengthy warranty. The interior could be better designed and laid out though, especially if you want to...