Description Compatible with Alienware: M11x R2, M11X R3, Inspiron: 11z (1110), 13 (1318), 13R (N3010), 14 (1440), 14 (1464), 1420, 14R (N4010), 14z (1470), 15 (1545), 15 (1564), 1520, 1521, 1525, 1526, 1546, 15R (N5010), ...