You could try Adaptec RAID 7805Q and 71605Q.
It has feature called, maxCache for caching hot data to SSD.
Both models are VMWare Certified for hardware compatibility.
http://partnerweb.vmware.com/comp_guide2/detail.php?deviceCategory=io&productid=35138&vcl=true
http://www.adaptec.com/en-us/support/raid/sas_raid/sas-7805q/