You can try this one:
https://downloads.dell.com/FOLDER77211M/1/RAID_DRVR_WIN_R244735.EXE
Or this one:
https://downloads.dell.com/FOLDER03636177M/1/SAS-RAID_Driver_CFHFJ_WN64_6.805.03.00_A09.EXE
The first one is for the H700, the second one is for the H710. The H710 is NOT SUPPORTED on the R710.