The exhibit displays the basic architecture of a CLARiiON CX200.
What are the names of the components labeled #1 and #3?
Exhibit:

A.
#1 = Power supplies
#3 = LCC cards
B.
#1 = Power supplies
#3 = Storage processors
C.
#1 = Storage processors
#3 = LC card
D.
#1 = Storage processors
#3 = 2 SPS