I am using 4.4.0, performance seems fine to me connected to 4x frames ranging from 2.3.1, 3.1.1 and 3.1.2.
I can't provide a direct link to the download, and navigating the HP Software downloads website is punishment no matter which way you use it. The shortest shortcut I can give you is:
https://h20575.www2.hp.com/tsusbportal/ ... o?lc=EN_USThen you will need to login with your HP Passport account, which hopefully you already have, and its associated with your 3PAR purchase already... from which you will need you SAID #, after you login. After you supply your SAID, you may also need your "AMP ID" or "SAR" (agitated yet?), then you can browse the long list of 3PAR software... current and past versions, to include the older versions of the IMC listed above.
Good luck.