Founded by a group of experienced professionals from the IT industry, E4 Computer Engineering SpA specialises in the production of high performance Server and Workstations both for top level professional use and for small and large businesses, as well as academic and educational. E4 solutions focus on the four aspects of Specialised Workstations, Server, Multiprocessor Servers for industrial solutions, HPC/HA clusters and PC systems for dedicated office use. Among E4 Computer Engineering partners there are prestigious international brand, such as AMD, ICP Vortex, Intel, Microsoft, Qlogic, Panasas and Supermicro.

Preview's client since 2003.