about 4K/512e HDD information for MR support:
Question:
Are Advanced Format / 4K / 512e disk drives supported on LSI RAID controllers?
Answer:
4K / Advanced Format drives are not yet supported by any LSI controllers.
4K support is mentioned in LSI MegaRAID firmware release notes, and is actively being worked on, but it is not yet completed and officially supported.
512e is supported with LSI MegaRAID LSISSAS2108-based controllers (e.g. 9260/9261/9280) starting with the MR4.8 code set release.
512e is supported with LSI MegaRAID LSISSAS2208-based controllers (e.g. 9265/9271/9285) starting with the MR5.5 code set release.