A data conversion control apparatus, comprising: at least one first interface each for coupling a first external interface, both of the first interface and the first external interface being in accordance with a predetermined physical interface standard, wherein data transmitted between the first interface and the first external interface is in accordance with a configurable application layer protocol; at least one second interface each for coupling a second external interface, wherein the second external interface is a memory interface in accordance with a predetermined memory interface standard, and the second interface is configurable to match the predetermined memory interface standard; and a data rebuild unit coupled between the at least one first interface and the at least one second interface, wherein the data rebuild unit is configured to rebuild data such that data can be transmitted in respective formats between the at least one first interface and the at least one second interface.