Default 800MHz Performance (3-4-4-8 at 800 MHz @ 2.1V)

After that, I was manually set the timing to 3-4-4-8 with the voltage of 2.1V. This pair of Patriot PC6400 DDR2 memory modules is able to run at 1:2 ratios at the tightest timing of 3-4-4-8 at 800MHz.

Everest Ultimate Edition Memory Bandwidth Benchmark

Memory Read (The higher, the better)

Memory Write (The higher, the better)

Memory Latency (The lower, the better)

Sisoftware Sandra Memory Bandwidth Benchmark

The higher, the better