Solved 50% of my internet speed works? (archived by Mimus)

[jantsi]

1. Internet traffic, other users on the same modem slow it down and massive amount of users on same ISP can cause some problems too.
2. They CAN'T provide exactly the speed that you asked for all the time.
3. Windows reserves 20% of your connection unless you take it off manually with gpedit
4. Your location. The further away you are from where they provide you that internet -> slower speed
5. Get optical fiber if you don't have yet.