Why is a Cisco UCS B250 server unable to support 16-GB DIMMs？（）

• A、 Dual-rank DIMMs are not supported.
• B、 16-GB DIMMs are too slow.
• C、 The largest DIMM an Intel 55xx or 56xx CPU can address is 32 GB
• D、 The memory bus would be too long.
• E、 The blade would run too hot.