Includes dock, power adapter, usb 3 cable.

https://store.hp.com/us/en/pdp/hp-3005pr-usb3-port-replicator

USB3 uplink
4x USB2
2x USB3
Microphone
Headphones
Gigabit Ethernet
HDMI
Display Port

Note as this is a USB3 dock, it cannot power the laptop, so the power cable still needs hooked up
 
Was purchased primarily to provide gigabit Ethernet capability to an 11" ultra-portable sony laptop (which had no Ethernet port, and poor wifi performance), and has served well in that duty, however that laptop has been replaced with one using a propriety dock.

PB tech has this dock for $298.