CPU
Zilog Z80A, Zilog Z8400AB1, NEC D780C-1, SGS Z8400AB1, Sharp LH0080A, Mostek MK3880N-4, GoldStar Z8400A, Toshiba TMPZ84C00AP
Retro Hardware Database
128K, banked memory, and the AY sound chip that finally gave the Spectrum real music — the difference in a game's soundtrack between 48K and 128K is startling. Developed with Investrónica for the Spanish market and sold in Britain with an external heatsink so large it was nicknamed the toastrack. The last machine Sinclair sold under his own control, and uncommon in that form.
None here yet.