2x16GB kit vs 2x8GB kit + adding another 2x8GB: Buying a new 2x16GB kit is the cleaner move

Mixing two sets of RAM—even identical model numbers—can cause instability, especially with XMP/DOCP, forcing a fallback to slow JEDEC speeds. A new 2x16GB kit guarantees compatibility, full dual-channel, and leaves two slots open for future 64GB. Four sticks look cooler, but the only real upside is aesthetics.