CPU: Zilog Z80A @3.5469 MHz, RAM: 128KB, Operating system: Sinclair Basic, Year: 1985
Sinclair ZX Spectrum 128k, called Derby, was an English product that was first released in Spain. This characteristic name was given to it because its RAM expanded to 128KB. It’s the evolution of the ZX Spectrum+ and its keyboard is slightly larger. On the right side, there is a CPU cooler.