There are plenty of mini PCs on the market these days but many of them are underpowered. The MINISFORUM Venus Series UM773 Lite is a powerful mini PC with the Ryzen 7 7735HS processor, 32GB RAM, and 512GB PCIe 4.0 SSD. It has WiFi 6 and Bluetooth 5.2 connectivity.
You can attach this computer to 3 x 4K@60Hz displays. This also has a USB4 port. This 8-core mini computer has integrated AMD Radeon 680M graphics. It comes with 2 x HDMI, 4 x USB 3.2 Type A, 1 x USB 3.2 Type C, and a 2.5Gb Ethernet port.