Gaming PC:
CPU - AMD Ryzen 3 3700x
RAM: 32GB DDR4
GPU: NVIDIA GeForce RTX 3070
SSD: No idea, 1TB
OS: Windows 10, soon gonna be dualbooted with Zorin

It's a prebuilt, I got it on sale at Micro Center, it is the PowerSpec G707, and I've had it for about a year.

Other PC:
CPU: Intel Core i5
RAM: 8GB DDR4
GPU: NVIDIA GeForce GT 730
SSD: KingFast 256GB
OS: Windows XP

It's a crappy Dell Optiplex computer I also picked up refurbished and on sale at Micro Center for around $100.