In contrast with multi-tenancy server models, bare metal servers are those where all the resources of server belong to only one user. This is why it is also called single tenancy server because there is no sharing and it is dedicated to only one client. History of dedicated server CPU's till today: Timeline 1980s:Simple Desktop-like server machine Traditionally, the bare metals were simple desktop which were placed in a small room inside the organization. It had the configuration of 256Mhz cpu and 2GB of disk. 1990s: Rack Mountable Web Server Gradually, when there were increase in demand for web hosting services, rack server replaced the desktop-like machine. It had Intel P2 Xeon 450Mhz, 256Mb RAM, and a 24X CDROM player. 1998: First Google server was introduced with 256MB RAM and dual 200 Mhz CPUs. 2000s: Blade servers 2001-2002 saw the introduction of blade servers, a palm sized machine. In 2008, virtualization became popular and server were based on distributed computing technology. And with the expansion of virtualization technique, Cloud computing had its emergence. When we have discussed history of dedicated server CPU's, we should also talk about the future of dedicated server, which is a groundbreaking technology called Unified Computing System (UCS). UCS has made it possible to optimize the data center and dedicated server resources by unifying them into as a pool of virtualized servers, storage, network resources. UCS has unified infrastructure with centralized approach which results in faster data processing and smooth server functions. This innovative next generation technology allows automatic configuration of hardware and adopts application-oriented model. In a nutshell, it can be said that UCS offers agility, stability, flexibility and great speed.