The following statement about server memory, which is correct? (Multiple choice)

The following statement about server memory, which is correct? (Multiple choice)
A . DDR3 has higher bandwidth and lower power consumption, and it is the mainstream server memory now.
B . capacity, frequency, delay is an important index to measure memory
C . ECC memory can be realized, error checking and correction. And it can provide the higher reliability for the server.
D . memory bank can be divided into UDIMM, RDIMM, LRDIMM three kinds
E . Memory is much faster than CPU cache’s read and write speeds

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Answer: ABCD