Memory: I have a sys that has a front bus speed of 533 MHz should the ram speed be the same?

Processor: My sys has a P4 processor running at 2400 MHz. Spec's say the it is capable of 3200 MHz. Can I kick it up a bit safely?
I use your help:

DDR ram should be 266mhz pc2100.

DDR ram should be 266mhz pc2100.

Neal the DDR ram is PC2700 @ 333MHZ Thanks anyway