You can find more info about the Apache's specifications here.

The U.S. developed the AH-64 Apache, a military attack helicopter ... Older models cost more to operate, but this comparison is between the newest model aircraft currently in operation.

The AH-64 Apache is the Army's heavy division/corps attack helicopter. The AH-64D Longbow ... fire-and-forget radar-guided HELLFIRE missile and cockpit management and digitization enhancements.