Roland R-70 Memory Card - 16 Banks of M-256 MRAM

Roland TR-626 Memory Card - 16 Banks of M-128 MRAM

Roland M-16C Memory Cartridge For TR-909, 707, 727, MKS-10, 20, 30, JX-10, JX-8P

Roland R-880 Memory Card - 16 Banks of M-256 MRAM

Roland/Akai Memory Data Card 16 x 256MRAM or 8 x 512MRAM -4MB for JD+JV Series -

Roland M-256E Memory Card ACCESSORY - VINTAGE - PERFECT CIRCUIT

Roland SR-JV80-16 Orchestral II Expansion Board - VINTAGE - PERFECT CIRCUIT

Roland D550 Memory Card with Original Patches 00-05 + 11 x 256MRAM