Picked up the PCIe NanoKVM.

Good: Worked right out of the box, cheap, gets powered from PC even when PC is off.
Bad: The internal cabling is pretty messy + poorly documented (specially the USB one).
Ugly: The OLED display is impossible to read, slightly misaligned and mostly pointless.

Might get another one or two if they come up for sale anytime. The Comet is better, but no purely internal version.

https://wiki.sipeed.com/hardware/en/kvm/NanoKVM_PCIe/introduction.html

@paul I wouldn't go near those things. Do a web search for: "nanokvm security”. Hidden Mic and who knows what else in those things.
@Squuiid knew all about it, super overblown concern.
@paul what does KVM mean in this context? I'm assume its not keyboard/video/mouse
@twipped you assume incorrectly.
@paul well now I'm even more confused...
@twipped @paul
It uses Wake-On-LAN which also wakes on PCI/PCIE calls
@nemesio @twipped it actually uses a cable from the device to the motherboard's front panel header. Let's you power on/off as well as simulate long press to force power off.
@paul oh wait, is this for remote access? @nemesio
@paul @twipped oooo So i was incorrect. That's good to know!