It looks interesting, but isn't 4 a bit too few? My thinkpad has like 8-9 ports. Cannot they put 2 external port on a single module? Oh and also: where is Ethe

It looks interesting, but isn't 4 a bit too few? My thinkpad has like 8-9 ports. Cannot they put 2 external port on a single module? Oh and also: where is Ethernet? :)