Keyboard Input Lag 125, 250, 500, 1000Hz USB vs. PS/2

How do polling rates of 125, 250, 500 or 1000Hz affect the input lag of a modern keyboard? And has the PS/2 connection still less lag than USB? These are some of the questions that I will answer in this video! ► Support Battle(Non)Sense: ➜ Netcode 101: ➜ Fortnite 20Hz Update: ➜ Fortnite vs. PUBG: ► Recommended Hardware: ► Ba