HP 207056-001 - Rack mount kit - Includes adjustable rails, brackets, screws, washers, and nuts Retail
HP J3137-62001 - Hub accessory kit - Includes a hub mounting bracket, four hub mounting screws, and two mounting bracket wood screws Retail
HP 231894-B21 - Rack mount rail kit - Includes brackets, screws, and nuts - Replaces the brackets that shipped with a tape library when installing it into HP 19-inch and AlphaServer H9A series cabinets Retail