Highest FSB on Intel Platform? 725Mhz with BioStar TPower I45
 

Youngpro, who is based in Australia, first reached 685MHz, but then trumped his own record by using LN2 and broke the FSB world record by climbing to as high as 725MHz. <br>
<br>
CPU Arch : 1 CPU - 1 Cores - 1 Threads<br>
CPU PSN : Intel Core2 Duo CPU E8500 @ 3.16GHz<br>
CPU EXT : MMX SSE SSE2 SSE3 SSSE3 SSE4.1 EM64T<br>
CPUID : 6.7.6 / Extended : 6.17<br>
CPU Cache : L1 : 32 / 32 KB - L2 : 6144 KB<br>
Core : (45 nm) / Stepping : C0<br>
Freq : 5074.24 MHz (724.89 * 7)<br>

http://valid.x86-secret.com/show_oc.php?id=378175