Is the HP Z1 G1i good for gaming?

It is not a gaming PC. The Core Ultra 7 265 and 32GB of memory are strong, but without a dedicated graphics card, modern games will run poorly or not at all at playable settings.

Can I add a graphics card later?

The tower has PCIe slots and room for a discrete card, but check the power supply wattage and card length before buying. Entry Z1 models ship with modest PSUs, so pick a card that fits the installed power budget.

How does it compare with the HP Z2 Tower?

The Z2 is a step up: more PCIe expansion, higher wattage power supply options and support for professional GPUs. The Z1 G1i suits general business and light creative work; the Z2 suits heavier CAD and rendering.

What is included in the box?

The tower, a power cord, and HP's standard documentation. A keyboard and mouse are not guaranteed with every configuration, so confirm with the seller if you need them.

Does the three-year warranty cover onsite service?

HP's 3/3/3 warranty covers parts, labor and onsite repair for three years. Coverage terms can vary by region, so check the warranty statement that ships with the unit.

Can I upgrade the memory and storage?

Yes. The tower has accessible memory slots and drive bays, so you can add RAM and a second SSD. Confirm the exact slot count and free bays for your configuration before ordering parts.