4 memory slots on motherboard: Potential problem with RAM slot. Mainboard MSI Z390-A PRO - Linh Kiện Máy Tính. XPS 8940, two ram slots not working.
RAM slot, socket, or a memory
slot is a gap on your computer’s motherboard where you can insert your RAM. Depending on the motherboard type, there might be up to four memory sockets.
MSI Z390-A PRO Desktop Motherboard - Intel Chipset - Socket H4 LGA-1151 - 64 GB DDR4 SDRAM Maximum RAM - DIMM, UDIMM - 4 x Memory
Slots - Gigabit Ethernet - 4 x USB 3.1 Port - DVI - 6 x SATA Interfaces.
It has 4 DIMM memory
slots with a maximum internal memory capacity of 128 GB. This motherboard supports both HDD and SSD storage drive types, with interfaces for M.2 and SATA II drives.