There are a few options out there, such as the Dell UltraSharp 4K webcam, or the Lenovo 500 Full HD webcam if you want something more affordable. If you do want Windows Hello facial recognition, you can buy an external webcam with Windows Hello built-in. Samsung likely didn't include this option because IR cameras take up a bit more space, and companies generally prefer having smaller bezels so laptops look more modern. It's not a huge difference, but it can be a bit better if you're trying to authorize a purchase, so you don't have to move your hand to touch the fingerprint reader. An infrared camera could add a bit more convenience to the process, because all you need to do is look at the camera and it signs you in.
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