About Port mirroring limitations

Hi,

I have a S5232F-ON (32 x 100GbE QSFP28, 2 x 10GbE SFP+) dell switch.

I want to monitor (mirroring port) all the possible ports (source) to one (destiny).

In the monitored port (destiny) I want to connect a device that inspect traffic, this device supports only 1GB RJ45. To do this I suppose I will need an adapter on one of the 100GbE QSFP28 to convert to 1GB RJ45.

Question: If I make it like this it will limit the speed of all the mirrored ports to 1GB?

Thanks.