Is gigabit ethernet usually hot?
I finally cracked a short while ago and bought some gigabit ethernet stuff from Scan as it was on offer and I was getting frustrated with the speed of 100Mb.
I was expecting the 5 port switch to get a tad warm, but plugging the server into the switch made the fan in the server PSU start whirring faster.
When I took the side off the server and tried prodding the (admittently cheap Realtek chipset) PCI network card it was damned hot. Too hot to hold my finger on, so probably about 70 degrees.
I have added a quiet 120mm inlet fan on the front of the case, so the PSU fan is settled back down now. I still wonder if gigabit usually runs that hot though, this is the first time I have had a chance to use it.
I have a power meter on the mains socket that runs the server and network gear, and plugging/unplugging the server into the switch causes a jump of about 9W (I assume that is 4.5W each in switch and server).