Sas controller interface sas 600 transfer rate 600 mbs memory size installed 1 024 mb raid raid levels 0 1 1e 5 6 10 50 60 slot pcie 30 x8 number of ports 8 internal slots 2 x sff 8643 max connections 256 chipset pmc sierra pm8063 suitable for pc system bustakt 4 ghz