There are several different types of servers and one such type is an unmanaged VPS hosting server. A VPS is a virtual private server that can actually host many different websites. This is accomplished by partitioning one server and loading different operating systems on each partition. This way the different sections work independently.
The main difference between an unmanaged and managed VPS is that with an unmanaged VPS you have control over the server. This requires a lot of technical knowledge and if you do not know what you are doing or do not have the time then you can hire the services of someone that does. You will need to install and manage the software necessary for your website or programming to run as the owner of the server may only deal with hardware issues.
The cost of using an unmanaged VPS is very affordable when compared to a managed VPS though large companies may actually find it more economically to use a managed VPS. However this only applies to companies that can turn over a large profit. If you are a small company that has in house capabilities or need things to run in real time than an unmanaged VPS will probably offer you the best options.
The main factors that will be important for your decision to use an unmanaged VPS versus a managed VPS is your technical skill in dealing with the server, how quickly you are able to deal with complications and your business profit. You also should see about asking others who have used an unmanaged VPS hosting server to see what they recommend.
The owner of the unmanaged VPS hosting has several responsibilities such as dealing with networks, reboots and hardware maintenance. You may be only allowed a certain amount of reboots and you may need to wait until the owner is able to do a reboot.
If for some reason the server becomes infected and your software crashes well that is your concern and you will need to take steps.
Unmetered hosting and unmanaged hosting have very similar costs which are quite affordable. Make sure you know what is in your control when using unmanaged VPS hosting and what is not. You should be able to get the help when you need and not need to worry about having something be fixed when someone else gets around to it.