The pexmsata3422 pci express sata card helps you improve the overall speed and storage capacity of your computer by giving you multiple 6 gbps sata connections for connecting high performance ssds solid state drives and hard drives in a hyperduo raid array now you can easily add two msata slots and two sata iii ports to your computer through a single pcie x4 slot featuring hyperduo technology the sata card offers ssd auto tiering which lets you balance the performance advantages of ssd sto