Answer

We recommend that you always insert memory modules in the DIMM1 slot first, you could also plug memory in DIMM3, 5, 7.

Models

X99A GAMING 7, X99S MPOWER, X99A GAMING 9 ACK, X99S SLI PLUS, X99S GAMING 9 AC, X99S GAMING 7, X99S GAMING 9 ACK, X99S XPOWER AC, X99S SLI Krait Edition