Synology 10gbe slow network speeds

I have been watching a lot of your videos about upgrading to 10gbe network for the Synology 1618+. I purchased the Synology (E10G18-T1) card and a Aquantia (AQN-107) for an older desktop computer. I also purchased a NETGEAR Nighthawk S8000 8-Port Gigabit Smart Managed Plus Gaming Switch (GS808E), but the best transfer speeds I get is about 200/mbs just for a few seconds then it drops to 1gb levels of around 120-145mbs. I even tried removing the switch and connecting the Nas direct to my computer and it’s the same speed. It appears there is a bottleneck somewhere. I have adjusted the nic cards to Jumbo frames and downloaded the latest drivers but to no avail. Any suggestions?


NETGEAR Nighthawk S8000 is a Gigabit switch and therefore is not compatible with 10GbE setup.
Here is a list of cheapest 10GbE switches:

When connecting directly to the NAS, make sure your PC has SSD or NVME SSD to achieve the best results. Otherwise your computer storage media is a bottleneck.

I hope this helps.

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