OCZ PC3500 Gold GX Modules
 

PC3500 roughly translates into speeds of DDR433 or, a BIOS value of 217MHz. These modules are capable or performing at this speed with timings of 2.0-2-2-5. OCZ recommends a voltage of 2.8V however, we were able to have the modules benching perfectly at 2.7V which is something almost any motherboard should be capable of providing.

http://www.tbreak.com/reviews/article.php?id=403