OCZ started it all with their VX series memory. Combine Winbond die chips with voltages of up to 3.6V and you can likely reach over DDR500 at the fastest 2-2-2 timings. That grew into a successful line of OCZ VX memory that ranges from Value VX to a VX rated at DDR 500 2-2-2. Value VX impressed us with bang for the buck in our Value RAM roundup, and DDR500 2-2-2 VX is the fastest memory (in terms of bandwidth) that we have tested on the AMD Athlon 64 platform



Link: Anandtech