@WAslayer
Surely any old dongle will do? I've been using my 32" Asus 1440p monitor with my 13" M1 MacBook Air since the day I bought it. I picked up a R900 dongle from iStore at the same time I bought the MBA. It has 3x USB type A, 1x USB type-C, HDMI, a 3.5mm audio jack (that doesn't seem to work) and an SD+microSD card reader. The HDMI port has worked perfectly fine. I just plug my speakers into the main 3.5mm jack on the device, and my DAC into one of the old school USB ports, and I've got a desktop. I'm using wireless Apple input devices.
I haven't bothered with an Ethernet cable, as the 5GHz Wi-Fi is as fast as my PC which is wired up. There are presumably larger dongles with a network jack though.