Which of the following are about Huawei KunpengIs the description of the 920 processor correct?

Which of the following are about Huawei KunpengIs the description of the 920 processor correct?
A . stand by8-channel DDR4 controller
B . Support multiple accelerators
C . Adopted 7nm manufacturing process
D . Support PCIe4.0 interface and compatible with PCIe3.0/2/0/1.0

Answer: A,B,C,D