... , E6400, E6400 ATG, E6410, E6500, X300, XT, XT2, XT2 XFR, Z Precision: M20, M2400, M4400 Studio: 1457, 1458, 1537, 1555, 1557 ... , XD733, XD802, YR733. Product Specifications: Device Type: PA-12 65w AC Power AdapterPower Cord: optional Power Provided: 65 Watts Voltage Required ...