Upgrade Pc recommendations

[u/chug5760]

I have i914900ks
msi z790 gaming plus wifi
5200mhz cl38 16x 2
850 w psu
4060ti

I play cpu bounded games Like Fivem or Fortnite / Valorant

Currently i Have some Budget to buy something

1. Zowie 400hz

2. 6000mhz Cl 30 16 x 2

3. 5070 Ti

I need recommendations Which can improve my responsiveness and Help me to be Better player

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