Slim AC adapter 120 Watt - original 645156-001 for Hewlett Packard Business Notebook NX6310, NX6315, NX6320, NX6330, NX8420 / Compaq 6710b Business, 8510w Mobile Workstation, 8710p Business, 8710w Business, nc6320 Business, nc8430 Business, nw8440 Mobile