20 Reasons You Need to Stop Stressing About dedicated servers
http://landenacyl940.jigsy.com/entries/general/11-embarrassing-unmanaged-dedicated-server-faux-pas-you-better-not-make
Choosing a committed server implies that you will get an entire server to you. There isn't any sharing of CPU time, RAM or bandwidth, which implies your website stays responsive all the time. Shared website