Afinancecompanyneedstoincreaseitsstoragebuthasrunoutoffloorspaceinthedatacenter.Currentlyt

Afinancecompanyneedstoincreaseitsstoragebuthasrunoutoffloorspaceinthedatacenter.CurrentlytheyhavetwoESS800systemswithatotalof125TBofSystemzdata.WhichofthefollowingIBMSystemStorageproductswouldallowthemtoreplacetheESS800systems,increasetheirperformance,reducetheirfloorspace,andstillallowthemroomtogrow？（）

A、N5200

B、DS5020

C、DS5300

D、DS8700