The E3-1225 v2, which is basically an E3-1220 v2 with graphics, doesn't support 1600 Mhz memory like the graphic-less E3-1220 or its hyperthreaded sibling, the E3-1230.
Someone was selling a lot of two of them and I almost bit, but decided to double-check the TDP before ordering and noticed this anomaly.
Someone was selling a lot of two of them and I almost bit, but decided to double-check the TDP before ordering and noticed this anomaly.