A customer is looking for a new file and print server and is considering a 2-socket Intel server with redundant power and hard disk that must fit in the current server rack. With 2U available in the rack， the customer is looking for the best price performance ratio.  Which IBM server will fit the best for this customer？（）

• A、x3200
• B、x3455
• C、x3550
• D、x3650