RB-450G with Fiber Optic 200/50M ?

RouterOS Beginner Basics
1

My Fiber is 200/50M, I use RB-450G why test speed not over 100M, can you help me?

2

Have you configured Fasttrack?

3

Unfortunately the RB450G doesn’t appear to support FastTrack

https://wiki.mikrotik.com/index.php?title=Manual:IP/Fasttrack&redirect=no#Supported_hardware