2 layers149 × 167 mmMSX 4Slot ExpanderLVina/MSX4SlotExpanderMSX 4 Slots Expander Cartridge78 parts4GPL-3.0
2 layers81.3 × 65 mmMSX 4Slot Expander BufferLVina/MSX4SlotExpanderMSX 4 Slots Expander Cartridge18 parts4GPL-3.0
2 layers121.6 × 136.5 mmMSX 4Slot Expander SlotsLVina/MSX4SlotExpanderMSX 4 Slots Expander Cartridge53 parts4GPL-3.0