These are all relevant and good questions that should be asked when making an informed decision about what host to select but one thing that many people do not consider is what kind of hard drives are used. Many of us already have SSD drives in our home or office computers and we have probably all noticed the difference in speed, the same goes for servers! It does not matter how much processing power you are renting if the data can not be loaded any faster and many times traditional hard drives are a bottle neck for servers since much of the work that a server preform is small and spread out operations in those cases an SSD host is ideal since the SSD is a Solid State Drive it does not need to spin up every time it is searching for a file so search times can be up to 300 percent faster than for traditional hard drives.
Selecting a host that offers SSD does not come with many draw backs most of the time the host offers the same selection among processing speed, connections, etc. as with normal drives. One of the few drawbacks would be price, it is still a bit more expensive to select SSD hosting compared to traditional drives but the difference is shrinking as SSD hosts are able to buy cheaper and cheaper drives and the SSD drives are becoming bigger and bigger which means that the company that offers SSD hosting can fit more hosting customers onto each drive driving down price even more.
It should be said that all of the counter points are exceptions and for almost everyone an SSD hosting solution is the best solution and something that should be carefully considered.