Designed for Alienware 15 R2, 18 Dell Inspiron 15 7558, 17 5759, 3452, 3459, 3558, 3646, 5459, 5555, 5559, 5758, 5759 Dell Latitude 12 Rugged Extreme (7204), 14 Rugged Extreme (7404), 3340, 3350, 3450, 3460, 3470, 3550, 3560, 3570, E5250, E5440, E5450, E5540, E5550, E6440, E6540, E7240, E7440, E7450 Dell OptiPlex 3020, 3030, 3240, 9020 (all-in-one, micro tower), 9020 All-in-One, 9030 (all-in-one) Dell Precision Mobile Workstation M2800, M3800, M4800, M6800 Dell Vostro 14 5480, 3558, 3559, 5459, 5470