It depends on the environment, if your capacity and ur environment is stable...you can run with existing setup.
However, if your deploying to deploy more VM's and short of capacity, go for a new H/w than upgrading the existing one...
It depends on the environment, if your capacity and ur environment is stable...you can run with existing setup.
However, if your deploying to deploy more VM's and short of capacity, go for a new H/w than upgrading the existing one...