razer deathadder v3 wired

I have razer deathadder v3 wired with 8k khz but whenever i go 4k 0r 8khz the game adds desync or latency i dont know the enemy peeks and moments becomes faster and i switch to 1 k hz everything is normal again i have a 240 hz dell monitor with i5th gen rtx 3060 ti and 32 gb ram wiht nvme m.2 ssd what may the reason for it and i have a dual monitor with benq 165hz monitor