[1] The series received its current designation of Fuxing in June 2017, with the nickname Golden Phoenix.

[2] It is among the world's fastest conventional high-speed trains in regular service, with an operating speed of 350 km/h (217 mph).

[7] 8-car ATO enabled version with redesigned interior and exterior used on the Beijing–Zhangjiakou intercity railway in preparation for the 2022 Winter Olympics.

[8] The interior design incorporates snow and ice elements with blue ambient light.

The train is also equipped with high-definition LED destination displays, wireless charging for business class seats, and smart glass windows.

Additional features include snowboard storage and urine sampling areas.

8-car HSR inspection train with redisigned exterior, similar to CR400BF-C and BF-Z series.

Like the CR400AF-BS, an upgraded 17-car variant called the CR400BF-BS was introduced in April 2024 for use on the Beijing-Shanghai high speed railway from 15 June 2024.