HDMI wires, now and in the next 5-10 years of high-definition signal connection lines, have different lengths and HDMI versions of different. The current version is mainly 1.3A, 1.3B and 1.4 Version. Most of the notebook computers and high-definition televisions on the market currently use this interface.

Domestic HDMI brands are mainly Akihabara, prolink, Kaiboer, Belkin and other manufacturers of 24AWG-30AWG, and mini HDMI line (30-42AWG), the best domestic is Suntes, the current market has exceeded the fine 42AWG Japanese technology.

Foreign brands are mainly: NQ Cable, Monster, Sony, Hitachi, Panasonic, MoVii, Philips, Audir, Yabo and so on. With the development of China's manufacturing industry, many large foreign brands have come to China to find manufacturer OEMs because of the high cost.

HDMI A Type is used in HDMI version 1.0 with a total of 19 pins and a specification of 4.45 mm *13.9 mm. It is the most common HDMI connector specification and is comparatively equivalent to DVI Single-Link transmission. Before HDMI 1.2a, the maximum transmission capacity of 165 MHz TMDS, so the maximum transmission specifications can only be 1600 x1200 (TMDS 162.0 MHz).

HDMI B Type is used in HDMI version 1.0 with a specification of 4.45 mm *21.2 mm and a total of 29 pins. It can transmit twice the amount of TMDS data of HDMI A type and is comparatively equal to DVI Dual-Link transmission for high resolution transmission (WQXGA 2560 x 1600 or more).

HDMI C Type has been applied to HDMI version 1.3 with a total of 19 pins, which can be said to be a reduced version of HDMI A type with a specification of 2.42 mm *10.42 mm, but the foot definition has changed. It is mainly used in portable devices, such as DV, digital camera, portable multimedia player and so on. Now SONY HDR-DR5E DV has used this specification connector as the image output interface. (commonly known as MINI HDMI)

The HDMI D Type was applied to HDMI version 1.4, with a total of 19 pins and a specification of 2.8 mm *6.4 mm, but the foot definition changed. The new Micro HDMI interface will be about 50% smaller than the current 19-pin MINI HDMI version, providing maximum 1080p resolution support and the fastest 5GB transmission speed for portable devices such as cameras and mobile phones.