Patriot Memory 1GB DC DDR2 PC6400
 

The Patriot's DDR2 PC6400 memory modules are very overclockable RAM.
Furthermore, it comes with a premium aluminum heat spreader. This pair of
DDR2 PC6400 is able to run at 800MHz with the timing of 3-4-4-8 even at
default CPU speed. As for the overclocking performance, with the slightly
changed the timing and increase the memory voltage, the RAM was able to
hit 458MHz which is equal to DDR 916 (916MHz). This is was an excellent
result.

Link :
http://www.techniz.co.uk/modules.php...content&id=289