Generally speaking, the refresh rate at which the human eye can perceive obvious flicker or delay is about 60 Hz. Therefore, most of the LCD monitors we usually come into contact with only provide support for a refresh rate of up to 60Hz or 75Hz. But for professional e-sports, the picture lag caused by the low refresh rate will become a performance shortcoming that affects the player's performance, so there is a 144Hz high refresh rate display.

At present, the response time of LCD displays on the market has reached 8ms  or less, and some high-end products have response times of 5ms, 4ms, 2ms, etc. The smaller the number, the faster the speed.

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