Trading Arcades have had their day

The fastest is to go to an arcade as they have a private circuit to the eurex node, if you are at home then you can use a vpn over the internet if you do not want to pay for your own private circuit which is about £100 a month. Contact marex or fortis

even if you have 5ms latency don't follow your illusion that this means your order will be placed a few more milisec later , you can't react faster than 250ms and usually it takes around 300ms before you will click mouse button.
300ms of reaction but not including the moment you are getting aware of the information displayed on the screen.
Add to this time, between the fact occurrence and your awareness of it. because after that you react.
lets say its 50ms but I dont have any idea and you have 355ms from your ultra low latency 5ms connection. if you have a cursor in the right place
if not you can add another second if its on the other screen

in my opnion, if a latency is 70ms or 200ms it doesnt make a difference to manual trading

I'm happy to hear if I am wrong

there are a lot of gray areas between point and click and HFTs... so 70ms is a lot but it is a huge advantage over 300ms through US server back to Europe.

in short - for a swing day trader it is may be irrelevant. for an active day trader 300ms it is a killjoy.