Hitachi HDS721616PLA380 Firmware Versions VersionPrevalence P22OABEA74.51% P22OA70A11.204% P22OAB3A7.843% P22OABBA2.241% P22OA50U1.401% P22OAB9A0.84% P22OAB6A0.56% P22OABDA0.56% P22OABNA0.56% P22OABHA0.28%