Is this monitor good for both gaming and office work?

Yes. 4K resolution gives sharp text and space for documents, and the high refresh rate and OLED response suit fast games. The main caveat for work is burn-in risk from static toolbars, so use screen dimming and pixel-shift features.

How does it compare with the Alienware AW3225QF?

Both use 32-inch 4K QD-OLED panels with similar speed. The MSI is flat and has a matte coating, while the Alienware is curved and glossy. The MSI also includes a KVM switch, which the Alienware lacks.

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

Yes. HDMI 2.1 ports support 4K at 120 Hz with variable refresh rate on current consoles. You will not get the full 240 Hz from consoles, but the panel handles them well.

Is burn-in a real problem on this panel?

QD-OLED can develop burn-in from long static content, as with any OLED. MSI includes OLED care features such as pixel shift and panel protect. Mixed use and reasonable brightness settings lower the risk.

You get the monitor, stand, power cable and display cables, typically DisplayPort and HDMI. Check the listing for the exact bundle, since regional packs vary.