Hello@Mhmmd1,
R0Q80B is the correct part number for HPE MSA 2062 storage, and R0Q74B is for the HPE MSA 2060 storage variant. The HPE MSA 2062 (R0Q80B) may be compatible with R0Q74B due to some feature similarities.
Please refer to the below links for more information:
HPE MSA 2062 Storage Models (R0Q80B - HPE MSA 2062 16Gb Fibre Channel SFF Storage) https://www.hpe.com/psnow/doc/a00094630enw.pdf?jumpid=in_pdp-psnow-qs
HPE MSA 2060 Storage Models (R0Q74B - HPE MSA 2060 16Gb Fibre Channel SFF Storage) https://www.hpe.com/psnow/doc/a00094629enw.pdf?jumpid=in_pdp-psnow-qs
Hope this helps!
Regards,
Venkat