A company has 700 servers installed in 50 server racks in the datacenter. The Chief Technology Officer issued a memorandum to the IT department with a directive to reduce power and cooling consumptions by 50% in the datacenters. Which of the following should the system administrators recommend?
A. Implement 208V 3-phase servers
B. Implement hot aisle / cold aisle
C. Virtualize the servers in the datacenter
D. Replace each server with a blade server