> on the trend of turning PCIe into a serial bus of sorts. PCIe switches used to be far more common before certain things happened in the market and they becam

> on the trend of turning PCIe into a serial bus of sorts. PCIe switches used to be far more common before certain things happened in the market and they became uber-expensive. I have a few NICs where, instead of using multi-port controllers, they just used PCIe switches... arguably I/O hubs have probably been the cheapest PCIe switches around for some time now...