A VPS runs its own copy of an operating system (OS), and customers may have superuser-level access to that operating system instance, so they can install almost any software that runs on that OS. For many purposes they are functionally equivalent to a dedicated physical server, and being software-defined, are able to be much more easily created and configured. They are priced much lower than an equivalent physical server. However, as they share the underlying physical hardware with other VPSes, performance may be lower, depending on the workload of any other executing virtual machines.
VPS stands for Virtual Private Server and refers to a private, emulated dedicated hosting environment created through virtualization on a host (a computer or other device connected to other computers or devices via a network), server (called the “parent server”), or cluster of servers. It acts like a physical server but, in reality, it’s a piece of software that’s emulating dedicated hardware.
Unlike most shared web hosting plans with unlimited domains, almost all VPS hosting plans include metered bandwidth limits of between 1-5 TB per month. VPS hosting plans have better resource utility panels for administration than available with cPanel where web traffic statistics can be accessed in realtime and the levels of RAM, CPU cores, or bandwidth limits can be adjusted.
Once you register your website's domain name, it's time to start picking the specs for your server. Web hosts typically offer multiple VPS plans that have varying amounts of email capability, RAM, storage, CPU power, domain hosting, and monthly data transfers. The plans typically include website builders that let you quickly create a face for your site without much—or even any—coding required. A solid web host should offer at least 4GB of RAM, 100GB of storage, and an ample volume of monthly data transfers. If you expect a significant amount of website growth, then you should look for a web host that has as many unlimited offerings as possible. For example, Hostwinds—the PCMag Editors' Choice for VPS hosting—offers unlimited email, domains, and monthly data transfers. Note, however, that as with all unlimited service offerings, you really need to read the fine print to make sure that what you mean by unlimited and what the hosting service means by it.