New Drives failing in new DL385p Gen 8 server

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Hi,

I recieved a new DL385p GEN 8 server yesterday with 8 new disks.

Loaded the disks and attempted to configure the RAID array (P420i controller) only to find 2 disks had failed.

I swapped the disks with 2 working disks from the other bays.  The issue remains.  This leads me to think the issue was with the ports and not the disks.

My supplier shipped me a replacement 355p today,  I have just inserted the disks to find the same issue with port 3!

I swapped the disks with a complete replacement set and have the same issue with port 3.

I struggle to believe that my 2 servers have the same issue.  Have i missed something with the RAID configuration?

Appreciate any advise.

Thanks