Hardware Requirements for medium - high traffic websites


We are planning to use piwik for our 80+ websites with medium-high traffic. We are working on the hardware requirements. Our estimated page views per month is about 45-50 million for all apps consolidated. Will the below hardware be enough? Kindly clarify

2 front end servers where piwik is installed with 16GB RAM, 4 cores and 1 server for mySQL with 32 gb RAM and 4 cores