RAM, or Random Access Memory, is a type of computer data storage, which allows the info to be read randomly without accessing the preceding bytes before that. That makes the RAM significantly faster than other types of storage devices like DVDs or HDDs in which all of the info has to be read so as to access specific data. If you have a shared hosting account, the amount of memory your web programs can use can't be fixed and may frequently depend on the free memory that is available on the physical machine. With a standalone hosting server, however, there is always a minimum amount of physical memory which will be at your disposal at all times and shall not be allocated to other clients even if it's not in use. That's valid with our virtual and dedicated servers.