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The SuperCPU was first introduced by CMD in May 1996, as the Super64CPU, or SuperCPU 64, or SuperCPU v1. It was followed shortly after by a SuperCPU 128 version, also referred to as SuperCPU v2. Basically, the SuperCPU upgrades the Commodore to a 16-bit WDC W65C816S processor running at a whopping 20 MHz, twenty times the original clock frequency of the C64. It was also bundled with an optional SuperRAM Card that could hold up to 16 MB of RAM. This was an amazing technical feat, and the SuperCPU release was preceded by enormous amounts of hype and expectations. Add to this the fact that the SuperCPU was only produced in very small quantities, and you obtain a device that has achieved cult status among Commodore fans.