Re: small form factor router recommendations

list_freebsd@bluerosetech.com:
> A Dell Optiplex with a top-end i5 will do this, and are nearly silent. They
> come with one onboard gigabit Ethernet port and one low-profile x16 slot
> (sometimes also one x4 slot).  They can be had on secondary markets for well
> below your price point.

i did an image search for "Dell Optiplex" and it only returned
desktop/tower systems, like this:

https://www.le-fay.org/tmp/30d/optiplex.jpeg

that doesn't seem to fit the requirement for "small form factor".

is there an SFF model line i should be looking at instead?