scalability
From Longman Dictionary of Contemporary EnglishRelated topics: Computersscalabilityscal‧a‧bil‧i‧ty /ˌskeɪləˈbɪləti/ noun [uncountable] technical the degree to which a computer system is able to grow and become more powerful as the number of people using it increasesExamples from the Corpusscalability• Despite these serious hiccups, Sun maintains the continued scalability of Sparc and claims that simulations prove the viability of the UltraSparc.• The family's architecture is designed on a tiered principle to enable scalability.