I upgraded my desktop PC about a month ago, and I’m wishing I had waited just a little bit longer. Because while I got a pretty decent Newegg combo on a new round of parts centered on a Ryzen 7 7800X3D, if I was buying right now, I could get an even better deal on the beefier Ryzen 9 7900X3D. The 12-core powerhouse with extra V-cache to boost gaming performance is just $401.05 on Amazon today. That’s one third off its retail price, just a hair’s breadth away from a whopping $200 discount. The 7900X3D is one of the absolute best CPUs you can stick in a gaming PC right now, just one step down fr…