yh125d
Diamond Member
I have 2 512 sticks of ram, DDR400, that have been working fine for several months. I added another 512 stick of ddr400 today, identical to one of my current sticks. But now when my mobo posts, it reads the memory as ddr333. I know for a fact that all three sticks are 400. What could be causing this? It recognizes the amount correctly, but not the speed. I tried to overclock the memory back up to 400 using ntune, but my pc freezes. Maybe the new ram has bad sectors? It is a used stick that my brother gave me, but in his PC it worked fine, reading as ddr400.