How to check what ist he best polling rate for your PC?

Yuval, not sure what OS you have. Check HERE for more info and some software to adjust your polling rate. Rememeber that windows by default limits USB update-rate, or polling rate to a mere 125hz(125 updates per second). Default USB mouse polling rate: 125 Hz = 8 milliseconds of latency

Increased polling rate: 1000 Hz = 1 milliseconds of latency

Typical monitor input lag: 5 ms to 30 ms

Typical monitor refresh rate: 60 Hz (16.6 ms per screen redraw)

Human response time* (from light hitting eye to hand movement): 120+ ms

So from the time your computer/video card renders an image to the time you click/move your mouse and your response reaches the CPU it is:

30 + 16.6 + 120 + 8 = 174.6 ms

It seems the relatively slow reaction times of humans, coupled with the fact that your monitor will never visually reflect changes faster than 60 Hz or 75 Hz, that there is absolutely no perceptible benefit to increased mouse polling rates. ;-) hope this helps, if not let us know...good luck

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Thanks for this great comment, I'm sure you're right, but I'm little stupid with this stuff, can you just tell me by simple words what is the best polling rate, I'll tell anything, I got Windows 7 ultimate the Razer Deathadder of course and I can choose between 125Hz,500Hz and 1000 Hz. Mine is set right now to 500. So, you think I need to use the 125Hz option? Or just keep the 500? I don't know what you need to know more about my computer, so, tell me what you need to know and I'll tell you everything, thanks, I'll accept this answer so you'll get points :)

Thank you so much!

20 apr 2011 da Yuval

Yuval, there is nothing to feel stupid about. you are obviously smart enough to look for help and know your limits. Good job in itself.

I would leave the setting at 500 and see how comfortable you are with that. A lot of times there is such a difference between movement and vision, that you will know when you are at a maximum comfort between the movement on the screen and your eyes. Thank you for accepting my answer, but it is not about points, it's about helping out, teaching and learning :-)

20 apr 2011 da oldturkey03

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Thanks for this great comment, I'm sure you're right, but I'm little stupid with this stuff, can you just tell me by simple words what is the best polling rate, I'll tell anything, I got Windows 7 ultimate the Razer Deathadder of course and I can choose between 125Hz,500Hz and 1000 Hz. Mine is set right now to 500. So, you think I need to use the 125Hz option? Or just keep the 500? I don't know what you need to know more about my computer, so, tell me what you need to know and I'll tell you everything, thanks, I'll accept this answer so you'll get points :)

Thank you so much! — Yuval
Yuval, there is nothing to feel stupid about. you are obviously smart enough to look for help and know your limits. Good job in itself.

I would leave the setting at 500 and see how comfortable you are with that. A lot of times there is such a difference between movement and vision, that you will know when you are at a maximum comfort between the movement on the screen and your eyes. Thank you for accepting my answer, but it is not about points, it's about helping out, teaching and learning :-) — oldturkey03