Tried making a new midas install on the SSD and linking it to dependencies already on the HDD. The idea was to somehow remove any knowledge of the HDD from midas. It didn't seem to work, supporting the theory that the bottlneck lies in mlogger instead.
5kHz with waveform size 4800
5kHz with waveform size 7200:
The conclusion is will still max at around 240 MB/s