Compatibility with Dell Alienware M17X R3. Compatibility with Dell Alienware M17X R2. Compatibility with Dell Alienware M17x. Compatibility with Dell Alienware M17X R4. Specifications: INPUT: AC/DC 100-240V 50-60Hz; OUTPUT: 19.5V 12.3A. Power: 240W, CONNECTOR SIZE: 7.4mm 5.0mm.
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