For a Pro the max was an RD53. I have a few of those running as well.
MFM can be big; depends on what your controller can support. Once you get to ESDI it's a lot better; I run a half height CDC Wren at 330mb and I have an 870mb full height drive if needed.
C On 7/17/26 14:34, Paul Koning via cctalk wrote:
On Jul 17, 2026, at 11:28 AM, Hans-Ulrich Hölscher via cctalk <[email protected]> wrote: How many RD54s are still alive? Mine (10) are all dead :-((As many as you want if you emulate one with David Gesswein's emulator. How much larger can an MFM drive actually be? I don't know, my use for that emulator is in a Pro which can only handle 16 bit block numbers. paul
