The HP xb3000 Notebook Expansion Base is a laptop docking station manufactured by Hewlett-Packard Company. It was first introduced alongside HP's new line of mobility products in May 2006, which includes the dv2000 series of HP Pavilion laptops.

Its notable features include an inclining tray, a PCI expansion port 3 cable interface (with an adapter for compatibility with 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.

Several features of the docking station include:

The docking station is compatible with several models of laptops manufactured by Hewlett-Packard that uses the proprietary PCI Expansion Port 3 port.

The following laptops manufactured by Hewlett-Packard are compatible with the xb3000 docking station:

The docking station is also compatible with the following laptops manufactured by Hewlett-Packard with PCI Expansion Port 2 ports through the use of an adapter (HP Expansion Accessory Adapter) with some limitations (see below):

When using the HP Expansion Accessory Adapter on laptop models with PCI Expansion Port 2, the following features are unavailable or not supported:

Undocumented but compatible: