Jens Schönfeld showed a proto-type of the RR-Net MK3. This cartridge for the Commodore C64 has the following features: Ethernet (Wiznet W5100 chip with integrated TCP/IP stack), 8 kbyte ROM (Writeable with the C64), 128kbyte RAM (bank switching). The RR-Net MK3 can also be use together with the Chameleon, Retro Replay, MMC Replay and the Nordic Replay via the clock-port.