>> Does anyone know where or how I could find out if the 2040 will become certified for VMware 7.0??
Never:
https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=emr_na-a00038415en_us
Discontinuance (DISC) 31 January 2018
Beginning at the DISC date, no new interoperability items will be added to the HPE MSA 1040, 2040, or 2042 SPOCK compatibility matrix.
>> Regarding the controllers difference between 1050 and 2050, where can I find out about these differences??
I send you a PM.