2 layers100 × 71.5 mm

OpenAmiga500FastRamExpansion
SukkoPera/OpenAmiga500FastRamExpansion
4/8 MB Fast RAM Expansion for the Commodore Amiga 500
35 parts88
KiCad boards from 7 GitHub repositories tagged “ram-expansion”, the most starred first; open any of them in PCBKit.

SukkoPera/OpenAmiga500FastRamExpansion
4/8 MB Fast RAM Expansion for the Commodore Amiga 500

SukkoPera/OpenAmiga600FastRamExpansion
4 MB Fast RAM Expansion for the Commodore Amiga 600

SukkoPera/OpenC16RamExpansion
Open Hardware 64 Kb RAM Expansion for the Commodore 16




arleybls/ql-flex-memory
512kB external RAM expansion board for the Sinclair QL, with SuperBASIC/68008 RAM test software (KiCad, CERN-OHL-S v2)