This is one of the first batches of servers to challenge AMD's dual-core Opteron chip.
Here's a look inside the Dell PowerEdge 1855.
The dual-processor PowerEdge 2850 rack server is 1.75 inches tall.
The Dell Precision 670 is powered by a dual-core Intel Xeon 64-bit chip. It also comes in a smaller chasis--the Dell Precision 470.
Dell's PowerEdge 2800 comes with either a single-core or dual-core processor.