* [[RAM BOX]] 512Kb memory expansion '''(is that lowercase "b" meaning 512kbit=64Kbyte ???)'''
* [[SYMBiFACE II]] - includes (among others) 512K RAM expansion
== Semi-Standard Expansions == * [[Aleste 520EX]] - a CPC clone that allows to access 256K (of its total 512K memory) in semi-standard fasihon (ie. as on a 64K computer with 192K expansion)* [[Inicron RAM-Box]] - not fully compatible with standard expansions (semi-standard)These two "semi-standard" ones can map some expansion banks only to 4000h..7FFFh.
== Non-Standard Expansions ==
* [[Inicron RAM-Box]] - not fully compatible with standard expansions
* [[Otten & Fecht 1 MB RAM-Disc]] - Accessed through I/O ports (RAM is not mapped to memory)
* [[Vortex Expansions RAM card]] - nonan older expansion, uses 32K-banks, not compatible with the later standard
== Expansions that are unknown how they work, and if they are standard or not ==