Questions about HP Z23n G2

We recommend the following accessories: StarTech MDP TO HDMI ADAPTER (Video Switch) . And if there is no HDMI cable at home, then the cable: Delock HDMI High Speed with Ethernet 4K (2m, HDMI)

To connect to which device? A DisplayPort cable is already included in the scope of delivery.

Yes and no. Cables are usually supplied (I have never had a monitor in its original packaging without a connection cable), but not always the ones you need (e.g. VGA or DVI if you want HDMI or DP). For this monitor, HP states on its own website that a DisplayPort 1.2 cable is included.

The following cables are included in the scope of delivery: Mains cable USB cable (Type A plug to Type B plug) DisplayPort™ 1.2 cable