Justifying the purchase of x86 servers to run new applications has never appeared a real issue for most organisations. Indeed, as costs have come down for ever more powerful kit, the server procurement habit has often led to the accumulation of large x86 estates made up of multiple generations of equipment. But as these estates have grown over time, have they kept up with the real demands of the business from a service delivery perspective? And with this question in mind, what is the case for investment in modernisation of the x86 environment?