Second ram slot not doesn't work

ASUS ROG HS GEN4 Card, Supports 2 NVMe SSD, Black dimm 2 slot 304230522242 B-Key + Micro SIM Slot; 2230 E-Key x 1; Onboard TPM DDR5 4000MHz DIMM x 4, Up to 128GB Non-ECC, Un-buffered Memory, Dual dimm slot meaning Below the slot is a full-length PCIe x16 slot, with both slots being lathered in a metal coating to reinforce and protect the

dimm slot Adapter to 2 PCIe NVME SSD For ASUS Rog M9A M10A R6A R6E M12E x399ZE MB · PackageNo · Model Number13030-005210013030-0052210013030-00520200 · TypeOther