Random Game Crashes

[GoZaZombie]

Games are crashing with the error "Low Memory" when i believe i have more than enough, and i have watch my computers resources whilst in game and haven't gone over. Any help?
I7 Cpu (don't know the exact off heart)
Gtx 1080 ti
16 gb ram

 

[avalon096]

Maybe it's your ram clocks... What ram do you have exactly