– https://www.newegg.com/p/N82E16819113793 – AMD Ryzen 7 7800X3D (CODE: BYCDP25225)
– https://www.newegg.com/p/N82E16826283006 – AOC GH300 USB Wired Headset

You can reduce the price to $ 330 with keycaps [newegg.com] instead of the headset, but the headset seems more useful for most people.

Here’s the full list of items [newegg.com] that can activate the combo offer for the Ryzen 7 78003D. Some items like this headset also have their own combo offers. Items can activate each other’s discounts.