The capacity of the IBM System Storage TS7650 ProtecTIER Deduplication Appliance can be upgraded in which of the following increments?()
A、7 TB to 18 TB to 36 TB
B、4 TB to 5.4 TB to 7.9 TB
C、1 TB to 100 TB to 1000 TB
D、any size up to and including 1000 TB