Only below controller are supported for ME484 and both are HBA controller without RAID support. Sorry I can't be of more help. Please let us know if you have any further questions. You can refer below link for controller supported [URL] 
Hello, Looking for an solution for Server with big storage capacity (external ME484). I would like to make raid groups.As i understood Dell offers only two type of external adapters:HBA355e - it supports ME484 as JBOD but no-RAIDPERC H840 RAID Adapter for External MD14XX Only - no support for ME484 Is there any solution that could make it possible?  
ME484 direct connection to PowerEdge server