All hardware: EJ

Title	Product type
MSX-EXTEND MEMORY-4096K Unconfirmed to have been released. Price: 29800 yen	RAM Expansion
MSX-EXTENDSLOT-4 Price 14800 JPY.	Slot expander
MSX-IDE Connects PC-9801 laptop harddisk pack, IBM PC HDD, CD-ROM etc. to MSX. Came with a utility disk. Price 4800 JPY.	Other Storage Controller