R720xd Brocade 415/815 HBA drivers ?

Hello,

Server: Dell PowerEdge R720xd
OS: Windows Server 2012 R2 Standard
HBA: Brocade 415/815

We have disk errors between this server and Dell EMC PowerStore storage.
One possible cause could be Brocade 415/815 HBA old drivers which are 2013 year release:

"Dell Technologies Host Connectivity Guide for Windows" manual mentions that Brocade 415/815 are now provided by QLogic:

I was unable to find Brocade 415/815 HBA drivers under PowerEdge R720xd Dell support page.
Could someone point me where to download mentioned drivers - using PowerEdge R720xd Dell support page or elsewhere ?

Thanks,
Vilius M.