Wishlist Quick view HP HP 491191-B21 Smart Array P212/256MB Cache RAID Storage Controller $80.82 $54.98 HP 491191-B21 SMART ARRAY P212 8PORT PCI-EXPRESS X8 SAS LOW PROFILE RAID CONTROLLER CARD WITH 256MB CACHE. FOR NOT HOTPLUG MODEL SERVER. SYSTEM PULL. IN STOCK. Compare Add to Cart Add to Wishlist