My 9200 blades seem to want more than 1.80v to run at their rated speeds. Anybody else experiencing this?

Does this sound right if i'm at 1.840v for 1147mhz. Timings are 5-5-5-18-60-2t, pl 8.

For 1135 it was fine with 1.8... with the same timings

This is using memtest 2.11.

Also, am I going to lead my ram to an early death by running at 1.84?

Thnx.