Which hardware is included in Generation 4 nodes?

A.
1 .8 GHZ Cedar Mill processor with 512 MB of ram

B.
2.0 GHZ Northwood processor with 256 MB of ram

C.
2.6 GHZ Prescott processor with 1 GB of ram

D.
3.0 GHZ Willamette processor with 2GB of ram