A company is consolidating four IBM System x servers. Each server has 500 GB of disk storage and each will grow to 2 TB within the next year. Additionally， the company will implement a SAN over the next year and must include connectivity and storage for its existing IBM System z and two IBM System p servers.    Which storage solution meets the company requirements（）

• A、IBM System Storage DS3400
• B、IBM System Storage DS8100
• C、IBM System Storage N series N7800
• D、IBM System Storage DS4700