The report claims the company had planned to released the larger capacity card in the second half of 2018, but had to postpone the release due to technical issues.
Current Nintendo Switch titles have a maximum capacity of 32GB.
Nintendo recorded a $458.4 million profit in the second quarter due to strong sales for the Nintendo Switch.
Between Apr. to Sept. 2017, the company recorded net sales of $3.29 billion and operating income of $351 million.
To date, the Nintendo Switch has shipped 3.11M units in the U.S., 1.95M units in Japan and 2.56M units in other territories.
Nintendo increased the Switch shipment forecast to 14 million units from 10 million units through Mar. 2018. In addition, the Switch software shipment forecast increased to 50 million units from 35 million units.