New Genuine 180W 19.5V 9.23A 74X5J JVF3V DA180PM111 Adapter for Dell Alienware 15 R1 R2; Inspiron One 23xx (2350 2320); Precision 15 7000 (7510) 17 7000 (7710); OptiPlex 3011 AIO; M4600 M4700 M4800