OR-1

1kb ram extension for the PB-100 series

OR-1E

1kb ram extension for the PB-100 series

OR-2

OR-4

4kb ram extension for the PB-700 series

OR-8

8kb ram extension for the PB-770

RC-2

2kb ram extension for the PB-410 series

RC-4

4kb ram extension for the PB-410 series

RC-8

Fits to FX-750p (F) and PB-500 (F) models.

RP-8

Fits to series : FX-730p, FX-850p and PB-2000.

RP-32

Fits to PB-1000 and PB-1000C models.

RP-33

Fits to series : FX-850p and PB-2000.