Yes. PERC 6/i support both SAS and SATA HDD. Please refer Overview section (Page 15) on below link for details. I am not sure whether PERC 6/i support SSD drives. [URL]  Note : It is recommended to use dell certified drives on power edge servers.
PERC 6/i is it compatible with SATA?    Ssd sas is very expensive I want to use a SATA is it possible with this PERC 6/i Thx
PERC 6/1 is it compatible with SATA?