What is the maximum length of a VGA cable?

Sep 22, 2026

The maximum length of the VGA signal cable is 15 meters.

1. This figure is derived from the VGA specification. If the signal transmission distance exceeds 15 meters, the quality of the VGA signal will significantly deteriorate. If the transmission distance needs to be more than 15 meters but not by much, you can try soldering a VGA cable to test the effect. If the distance is too far, you should directly use a VGA-CAT5 converter.

2. VGA (Video Graphics Array) is a video transmission standard. It was introduced by IBM in 1987 and has the characteristics of high resolution, fast display rate and rich colors. It is widely used in color displays. It does not support hot plugging and does not support audio transmission.

3. The VGA interface adopts an asymmetrically distributed 15-pin connection method. There are a total of 15 pins, divided into three rows, with 5 holes in each row.

4. VGA signal cables are used to connect VGA interface devices. Common specifications include 1.5 meters, 2 meters, 3 meters, 5 meters, 10 meters, and 15 meters.

The color representation of VGA

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