Companycom wants to buy a new p5 570 running AIX 5.3. The applications require 4 processors and 8GB of memory. There is a requirement to have a Virtual IO Server. What is the smallest p5 570 that should be sold to this customer?（）
- A4 processors 8GB of memory
- B5 processors 8GB of memory
- C4 processors 10GB of memory
- D5 processors 10GB of memory