I can hit 385x MHz, but only 20 mins Prime stable before the PC resets. I tried up to 1.4V Vcore and VTT + 0.2 V max. Trying to find 24/7 settings here. BCLK below 133 MHz seems to be very buggy. 100 x anything does not work at all, 120 MHz works, 110 does not, etc