The pexsat31e1 2 port pci express sataesata 6 gbps sata 30 controller card adds one internal sata 30 6 gbps and one external esata 30 6 gbps port through a single pcie slot providing simple connectivity between a host computer and sata 30 internal and external devices the pcie sataesata 30 adaptercontroller card offers a cost effective solution for connecting high speed storage such as high rpm hard drives solid state drives ssd and external storage arrays which in turn