CPU cycles can be more easily over-committed than RAM. CPU load is bursty. Memory usage is much more constant. Cloud typically bundles very high reliability usi

CPU cycles can be more easily over-committed than RAM. CPU load is bursty. Memory usage is much more constant. Cloud typically bundles very high reliability using multiples of the nominal capacity in enterprise SSDs. If the entry-level product gave you much more it would cannibalize higher priced products.