An outdoor device for an air conditioner is provided. The outdoor device may include a cabinet, and a base provided on or at a lower portion of the cabinet. The base may include a base body, on which at least one first seat that supports a first component may be provided, an edge portion provided along a circumference of the base body and on which at least one second seat that supports a second component may be provided, and at least one connection portion that connects the at least one first seat to the at least one second seat.