Product name: 16MB Memory Cartridge V3
Retail price: 29800 yen without tax
This 16 MB expansion RAM has various dipswitches to avoid timing misalignment with MSX operations occurring for instance when the MSX is overclocked, paused or speed controlled.
Product name: Sony HB-F1XDJ Keyboard Repair Kit
Price: 12000 yen
This replacement for Sony HB-F1/ HB-F1XD / HB-F1XV keyboard membranes is not a membrane but a PCB of the same size.