This M-64C Memory Cartridge is a great addition to your vintage musical instruments.

Compatible backup memory for these Roland products: Alpha Juno 2, GR-700, GR-77B, MKS-10, MKS-20, MKS-30, MKS-70, MKS-80, TR-707, TR-727, TR-909, JX-8P, JX-10.

The cartridge is made by me, designed and assembled by hand to order in Taiwan with all new PCB and components. It is perfect for those who are looking for a replacement or an additional memory cartridge. With this memory cartridge, you can ensure that you have enough storage space for your vintage instruments.

A version with switchable dual storage memory is available as well (M-64C-X2).

May be compatible with M-16C and M-32C Memory Cartridges as well.