NCAR Cray-1A S/N 3 changes | Compute Atlashttps://computeatlas.net/supercomputers/systems/ncar-cray1a-sn3Changes to the NCAR Cray-1A S/N 3 record in the Compute Atlas dataset.enFri, 09 Oct 2026 12:00:00 GMTNCAR Cray-1A S/N 3: Added NCAR Cray-1A S/N 3https://computeatlas.net/supercomputers/systems/ncar-cray1a-sn32026-10-09/system/ncar-cray1a-sn3/Added NCAR Cray-1A S/N 3Fri, 09 Oct 2026 12:00:00 GMTSerial number 3 arrived at NCAR on 11 July 1977 for $8.86 million (about $7.9 million for the system plus nearly $1 million for disks), after the first Cray-1 had gone to Los Alamos for a six-month trial in 1976.