Your friend’s MSI GL62QC uses a single-channel SO-DIMM, so the new 4GB stick won’t provide dual-channel performance. It should run at the standard 2133MHz speed. The extra stick is fine as long as it fits in the slot.
Your friend’s MSI GL62QC uses a single-channel SO-DIMM, so the new 4GB stick won’t provide dual-channel performance. It should run at the standard 2133MHz speed. The extra stick is fine as long as it fits in the slot.