Is the OMEN 32x good for 4K console gaming?

Yes. It takes 4K at 144Hz over HDMI 2.1, so current consoles can run their 4K modes, and the 1ms response keeps motion clean. The 400-nit panel is fine for a dim room but not bright HDR.

Does it have built-in speakers?

Yes, four 3W speakers are built in, which is unusual for a gaming monitor. They handle everyday sound, but a headset or soundbar will sound better for competitive play.

What ports does it include?

One DisplayPort 1.4, two HDMI 2.1, one USB-C, two USB 2.0 Type-A, an RJ-45 Ethernet port and a 3.5mm audio out. HDCP is supported on DP, HDMI and USB-C.

Can I mount it on an arm?

Yes, it uses a 100x100mm VESA mount and weighs about 23 lb with the stand. The included stand tilts and adjusts 100mm in height but does not pivot or swivel.

Is 4K at 144Hz worth it over a 1440p monitor?

If you have the GPU to drive it, yes: 4K gives much sharper detail on a 31.5-inch screen. A 1440p high-refresh monitor is easier to run and often smoother in fast shooters.

Does the IPS panel handle HDR well?

Only modestly. It accepts HDR signals, but 400 nits and a 1000:1 static contrast mean highlights and blacks fall short of HDR displays with local dimming.