Lenovo's compact gaming tower has great performance for the money and looks good, too, but could be more upgrade-friendly.

This $4,450 config is equipped with an AMD Ryzen 7 9800X3D CPU, GeForce RTX 5090 graphics card, 32GB of DDR5-6400MHz RAM, and ...

The AI hardware boom is sending memory prices sky-high, so knowing exactly how much you need is more critical than ever. I've worked out the most realistic RAM goals for every type of PC.