==== Mass storage / Hard-discs ====
*[[Dobbertin Harddisc|Dobbertin HD20]] (72 KB/s data transfer rate, four partitions of 5160 KB)*[[M4 Board]] (135 KB/s data transfer rate, SD card supported by XROM, under development, alpha released)
===== Hard-discs discontinued =====
*[[CPC-IDE]], [[SYMBiFACE II]] and [[X-MASS]] IDE support, but only low-level, FutureOS IDE-ROM needed
*[[IDE8255]] IDE support, but only low-level, FutureOS IDE-ROM needed