Does this netgear switch (xs512em) have the noisy fans? or is it fanless? or if it has a fan is it a pwm fan that adjusts according to the temps?

The fan is pretty loud compared to all other PC items I have. I can hear it in the master bedroom and its in the computer room, 2 rooms away! It works good, no problems. Just noisy fan.

The pics show 2.5&5Gb devices connected to main ports but description says only 2 ports support upto 10g is this correct?

The product diagram is providing a logical representation of the type of devices that can be connected. It is correct that only 2 ports are multi-gig capable (1G/2.G5/5G/10G). From the Netgear GS110MX / GS110EMX data sheet, both models include: Qty 8 - Gigabit ports Qty 2 - Multi-Gig (100M/1G/2.5G/5G/10G) RJ-45 copper ports

Support for link aggregation? want to run 3 or 4 synology 1gb bonded lan's to my 10gb imac for faster r/w speeds.

This device (unmanaged 8 port 10gb switch) will not support aggregation alone. You’d need a managed switch father up the network to do the aggregation. The GS110EMX does do that and is slightly cheaper (because it only has 2 10gb ports). I have the GS110EMX and do exactly what your talking about.

I bought this and I have cat 8 cables in my network with a nighthawk ax200 and Comcast high speed modem and it doesn’t work do I have to switch cables

Cat 8 is backward compatible. It should provide the connection if it is properly terminated. This switch is 1g max speed and it does not give the speed you desired from car 8. It is the speed for Cat 5e or 6..

Data Transfer Rate	56 Gigabits Per Second
Voltage	12 Volts
Number of Ports	8
Compatible Devices	Desktop
Item Weight	1.7 Pounds
Item Dimensions L x W x H	9.3"L x 4"W x 1.1"H
Color	10 port \| 2xUplinks (10G)

GS110EMX

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