Adapter Power: 330W. FOR DELL 330W Alienware 15 15R2 15R3 X51 17 17R2 17R3 M17XR4 ALPHA200 18 18MX R1 R2 R3. FOR DELL PRECISION M4800 M4700 M6600 M6700 M6800. 1 X AC Power Adapter. Fit Laptop Models. Made of quality components and circuit board.
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