Compatible Dell Laptops:-Alienware M17x, M15x, M14x, M18x, 14 R1, 13, 17 R2, 15 R1, 13 R2-OptiPlex 3040-Inspiron 15R (5521), 15R (5537), 17 (7737), 15 (7537), 17R (5737), 11 (3137), 15 (3537), 15 (3542), 11 (3135), 11 (3138), 17 (5748), M531R (5535), 15 (3541), 15 (5547), 14 (5445), 15 (5548), 15 (5545), 15 (7547), 13 (7347), 13 (7348) 2-in-1, 15 (3543), 15 (7548), 17 (5749), 15 (5558), 13 (7352), 17 (7746), 15 (7558), 14 (7447), 14 (3443), 15 (5555), One 23 (2350), 17 (5758), 17 (5759), 14 (5458), 15 (3558), 14 (5448), 15 (5559), 13 (7359) 2-in-1, 11 (3153) 2-in-1, 11 (3152) 2-in-1, 15 (7568) 2-in-1, 13 (7353) 2-in-1, 17 (5755), 15 (3552), 15 (7559), 15 (7557)-Latitude E5530, E6530, 6430u, ATG E6430, E7240, E7440, E6540, E6440, E5440, E5540, 3340, 7404 Rugged, 7204 Rugged, E5250, 3550, E7250, E7450, E5450, E5550, 5404 Rugged, 3450, 3350, 3460, 3470, 3560, 3570-XPS 14 (L421X), XPS 15 (L521X), XPS 15 (9530), XPS 18 (1820)-Precision M6700, M4800, M6800, M3800, M2800-Vostro 5470, 15 (3546), 15 (3558), 15 (3559), 14 (5458), 5480, 5560