The Ultra 1 is a family of Sun Microsystems workstations based on the 64-bit UltraSPARC microprocessor. It was the first model in the Ultra series of Sun computers, which succeeded the SPARCstation series.
The Ultra 1 represents the first generation of Sun Microsystems' Ultra series workstations, built on the 64-bit UltraSPARC processor. This led to the development of subsequent models that eventually replaced the earlier SPARCstation family.