 The RCA Model 70/60 was a later addition to the Spectra 70 series, having been announced in 1969.The RCA Model 70/61 was the virtual memory model of the 70/60, and
it was referred to as the "Octoputer II" in some advertisements.The 70/60 and 70/61 were the first RCA central computers to be capable of supporting 1 MB of core memory which was housed in 4 standard racks that formed a "T" with the rest of the computer.