Descriptions:
1. PCIE X16 full bandwidth 4.0 GEN4 protocol, compatible with Gen3/Gen4.
2 Gold finger immersion gold process, increase the gold thickness to 5U.
3. Adopt a new generation of GEN4 connectors, with dust plugs and buckles.
4.1 to 1 pin definition, using high-density low-impedance circuit board.