Is the 800R curve too aggressive?

It is steeper than the 1000R and 1500R curves common on ultrawides, so the edges wrap toward you more. Most people adjust within a few days, but flat-panel users should try one in person first.

Can my GPU drive 5120 × 2160 at 165 Hz?

That is roughly 11 million pixels, close to 4K plus a third. A high-end current card is needed for high frame rates in demanding games; older or mid-range cards will need upscaling or lower settings.

Does it work well with a PS5 or Xbox Series X?

HDMI 2.1 supports 4K at 120 Hz on consoles, but consoles do not output 5120 × 2160, so you get letterboxed or stretched images. It is best treated as a PC monitor.

Is 330 Hz mode worth using?

It drops the resolution to 1080p, which looks soft on a 45-inch panel. It helps competitive shooters, but most buyers will stay at 165 Hz for the sharper picture.

Expect the monitor, a stand, a power cable and display cables. Check the listing for which cable types are included, since bundles vary by region.

How does it compare with a 49-inch 32:9 monitor?

The 49-inch gives more horizontal width for racing cockpits, while this panel is taller and sharper per inch. Choose the 49-inch for pure width, this one for a more balanced work-and-play screen.