AFAIK, all Mushkin RAM is labeled Mushkin Enhanced. Your signature says your RAM does 222 timings. So is it Level 2, 222 Special, or Level 2 V2? Your RAM has Winbond BH-5/6 or Samsung TCCD chips. The max voltage depends on what chips you have. BH-5/6 are rated to 3.6 volts from the chip manufacurer, Winbond. TCCD, I don't know.