Used Asrock X99M K 3.1 complete retail box. Only used for benching, vased and bench ready $155 shipped con USA.
HyperX 2666C13 4X4GB retail box, good oc on X99 $175 shipped con USA
PNY 2800 reatail box 4X4GB, 3400+ easy with X99M $ 120 shipped con USA
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5960X J batch low volt. Sold