The 21164 and 21264 processors were used by NetApp in various Network Attached Storage systems, while the 21064 and 21164 processors were used by Cray in their T3D and T3E massively parallel supercomputers.
Процессоры 21164 и 21264 были использованы компанией Network Appliance в системах сетевого хранения данных (Network Attached Storage).