Want to know why a Virtual Private Server (VPS) is better then a shared hosting solution? Read the five biggest advantages below:
Reliability
With the use of a KnownHost VPS you will experience reliability at its best. With extensive technical knowledge and experience you can expect reliable VPS's with industry leading uptime.
Flexibility
Ability to customize system configuration, install any applications and server wide software to fit your sites needs. Full root level access and almost complete control over the system configuration brings hosting to next level without the dedicated servers' price tag.
Performance
With custom built servers you will benefit from Enterprise class hardware with RAID-10 storage for redundancy.
Easy-to-use GUI/Complete control over the VPS
This is a browser based GUI tool which allows you to restart, troubleshoot, and restore your own VPS without the help of your provider. You can also restart the core server components such as Apache, FTP, and DNS; even deploy a fresh OS with your former VPS account's data mounted to the new OS. This is all functionality free with all VPS packages. Restore a backup on the fly if you need to reinstall due to some sort of attack.
Security / Upgrades
Individual VPS's are manage the physical servers and assure their properly secured.
Dynamic
When using a VPS, you have the ease of mind to know your performance will never be lacking. As you grow along with your web traffic, the VPS will adapt as needed with the use of the Virtuozzo technology. Upgrading to a higher resource VPS is simple with no downtime.
Source:
http://knownhost.com/vps.html