Wishlist Quick view HP HP 820834-B21 Smart Array P440 12GB 1-Port PCIE 3.0 x8 SAS Controller $514.32 $349.88 HP 820834-B21 SMART ARRAY P440 12GB SINGLE PORT INT SAS CONTROLLER WITH 2GB FBWC. NEW FACTORY SEALED. IN STOCK. Compare Add to Cart Add to Wishlist