Why are we putting RAM sticks into 2nd and 4th slot first?

X99 - RAM only works in slots 1 or 3 · EITHER of the two remaining RAM units works correctly in position 1 or 3

3* Ultra Storage Performance Connectors 3*PCIe x4 ; 2 Unlock the latch of the PCIe slot easily when remove the graphics card in the PCIe slot

rambo slot my system says 8gb ram but I see only one ram slot with 4gb ddr4 3 1 Spear of the Impaler Requirement: * Str 14 * Dex 35 * Fai 18

ramai123 slot RAM module 1 in slot A; RAM module 1 in slot B; RAM module 2 in slot A 3 PowerVault · disk alerted, possibly damaged