Codenamed "Tollhouse," the '''Altix 4000''' series was Silicon Graphics' second and last Itanium-based product family. It was composed of two models: the [[Altix 450]], a mid-range server generally limited to no more than a single full-sized rack; and the [[Altix 4700]], a high-end system for the [[High Performance Computing]] and data-intensive workload markets. | Codenamed "Tollhouse," the '''Altix 4000''' series was Silicon Graphics' second and last Itanium-based product family. It was composed of two models: the [[Altix 450]], a mid-range server generally limited to no more than a single full-sized rack; and the [[Altix 4700]], a high-end system for the [[High Performance Computing]] and data-intensive workload markets. |