How much a mouse reports to a computer is a polling rate. The rate of polling is Hz calculated. If a mouse has a polling rate of 125 Hz, 125 times a second, or every eight milliseconds it reports its location to the machine. A rate of 500 Hz means that every 2 milliseconds the mouse recorded its location to the device. The delay between moving your mouse and moving it on your screen may decrease by a higher polling rate. Instead, more CPU resources are used for higher polling rates because the CPU must consult the mouse more often. What is polling rate? In general, a mouse that supports a higher rate of polling can permit you to pick a polling rate on the screen. Some mice may also have hardware switches to alter their fly rates. How to change the polling rate for mouse? Your mouse first unplug from the deviceTo change the polling rate of the mouse to 125Hz, hold down buttons 4+5 and then plug the mouse in the USB port. The polling rate is now 125Hz when the wheels are lighted.Keep button 5, and plug the mouse in the machine to change the polling rate to 500Hz. Once the wheel lights up, the rate will be 500Hz.Keep button 4, then insert the mouse into the USB port, to change the mouse polling rate to 1000Hz. The polling rate will now be 1000Hz as the wheel lights up. Higher mouse polling rate; 500vs1000 hz is it better? A higher rate is usually considered better for mouse polling but much more is important to see the difference between a polling rate of 500Hz and a polling rate of 1000Hz. Factors such as what you want from a mouse and what your expertise and skills are what the response time is in some situations. You could barely say the difference between a report rate of 500Hz and a report rate of 1000Hz if you used the average game monitor. It’s just a 1ms difference, so it’s very significant. So we can sum up all this: a polling rate of 1000Hz is snapper, whereas a polling rate of 500Hz is flatter. You can use more CPU power if you use a higher polling rate. A higher polling rate (i.e.) a 1000Hz polling rate may become unstable if there are not enough CPU resources, in which case, a 500Hz polling rate would have to be reverted to lower and nearly as efficient polling rates. DPI explained Dots per inch (DPI) is a measure of how vulnerable a mouse is. When you move the mouse, the higher the DPI of the mouse, the further away is the cursor on your screen. A mouse with a higher DPI setting detects smaller movements and reacts to them. Mouse DPI A higher DPI is not better all the time. If you move your mouse a little, you don’t want your mouse cursor to fly all over the show. On the opposite, a higher DPI configuration allows your mouse to track, respond, and point stuff in more detail on small movements. Let’s say for example you are playing a shooter game for the first person. A high DPI can be valuable by allowing you to smoothly target with small mouse movement when zoomed with a sniper rifle and try precisely to target smaller targets. This high DPI can be too sensitive when you usually play the game without a zoomed-in sniper rifle. This is because several gaming high-end mouse buttons can be changed between DPI configurations on the fly while a game is played. You can also see why a more responsive mouse attracts designers who need to change their designs very carefully. DPI Variations The DPI varies from the normal sensitivity setting for the mouse.DPI refers to the hardware abilities of a mouse, while sensitivity is a software environment. For starters, we may claim that you have a cheap mouse with a low DPI and that you are cranky. You will see the mouse cursor hop about when you move it if you have tried to target small goals. The hardware of the mouse is not sensitive, so small movement is not detected, your operating system only compensates for moving your cursor further, so it is not as smooth. A high DPI mouse is also possible to combine with a low sensitivity setting so that the cursor does not race around the screen, but the movement remains smooth. If you have a higher resolution display, high DPI mice are more useful. You don’t need this high DPI if you are playing a game on a low resolution 1366 TIP Laptop computer! On the other hand, a higher DPI allows a mouse cursor to move around the screening effortlessly, without having to drag your mouse across your whole desk, while you are playing a game on a 3840-2000k 4k monitor.