how do i test for a bad memory slot ?

running at DeviceLocator will tell you which physical slot the RAM module is plugged into on your system's motherboard FormFactor is the

I can fill the blue DIMM slots to capacity using the RAM recommended from the respective motherboard webpages with no stability issues, but as

dimm slot It supports 1632GB of RAM and 1TB of storage, expandable via dual DDR5 SO-DIMM slots and dual 2280 PCIe x4 slots, along with

dimm2 slot Rambus announced a working DDR5 dual in-line memory module in September 2017 not mechanically compatible Additionally, DDR5 DIMMs are supplied