Max PHY temp for CRS310-8G+2S+

Hardware MikroTik hardware general
1

Just received my CRS310-8G+2S+, switched over to SwOS 2.17 since I just need it for basic vlan stuff and threw in a noctua fan.

All ports are populated.
CPU Temp: 60C
Board Temp 1: 51C
PHY Temp: 80C
FAN1: 5475 RPM

2 Intel SFP+ are at 46C and 48C respectively.

Should I be concerned about the PHY temp?

I swapped back to the stock fan and it is running at 13.5k rpm. That’s insane.

So I changed back to Noctua but turned the fan around to blow air in to the chassis instead of out, and now temps are at 52C, 48C, 73C. That seems a lot better than 80C.

2

It does seem high. Mine is in an under desk rack - Room temperature is 21 degrees C.

All 8 ports are active and two Cisco 10Gbps SFPs

#  NAME                VALUE  TYPE
0  cpu-temperature     50     C
1  sfp-temperature     40     C
2  phy-temperature     54     C
3  fan-state           ok
4  fan1-speed          1410   RPM
5  board-temperature1  42     C

Are the heatsinks okay?

3

I can twist the heatsinks around a bit. They aren’t glued firmly or anything but they don’t fall off either.

And one of them is very hot. I suppose that is the one at 70C+.

Columns: NAME, VALUE, TYPE
#  NAME                VALUE  TYPE
0  cpu-temperature     49     C
1  sfp-temperature     45     C
2  phy-temperature     58     C
3  fan-state           ok
4  fan1-speed          3960   RPM
5  board-temperature1  46     C

What the hell? Why is it so much cooler in routerOS?