The Dell 450-18122 AC adapter supplies power to a compatible computer. Its stated output is 65W at 19.5V, useful when checking whether the adapter’s electrical rating matches the equipment.
A 3-pin, 7.4mm connector links to the device. The AC input uses a C6 connector, so both ends are described for matching the adapter to compatible connections. The listing does not specify a mains cord or laptop models.
Use it with equipment whose power requirements and connectors match. OEM references associated with this part are 0G4X7T, 4X20M26273 and 99105118.