About the storage of warm and cold datas plan, which of the following is correct?

About the storage of warm and cold datas plan, which of the following is correct?
A . Use Kunpeng’s built-in compression engine to expand data compression storage scenarios
B . The computing power requirements are relatively low, and Kunpeng performance advantages cannot be used
C . Receive HDD storage media performance constraints
D . The system architecture is not the same

Answer: A,C,D