???? ???? ???? ???? ??? ???? ???? ?? ????? ??????????????? ????? (HDD - Hard Disk Drive) ??? ??? ??????? ??????? ????? ?????, ??? ?????? ????? ?? ??????. ???? ????? ????? ?????? ?? ?????, ?? ????? ???? ????? ?????, ??? ????? ????? ????? ?????? ???? ????? ???????? ????? ???? ?? ??? ?????? ??? ?????? ???? ???? ??????.????? ?? ???? ???? ???? ????? ???