The HP xb3000 Notebook Expansion Base is a laptop docking station manufactured by Hewlett-Packard Company.
First introduced in 2006, its notable features include an inclining tray, a PCI expansion port 3 cable interface (with an adapter for another PCI expansion port interface (PCI expansion port 2)), and an integrated 16-bit AT hard drive bay. It was shipped with a USB wireless receiver, wireless keyboard and mouse in select models.