128GB RAM plus dual 3090s: is upgrading a home AI server still worth it?

LankyGuitar6528 · reddit · 2026-11-05

A Reddit user debates whether to upgrade an existing home AI server (32GB RAM + one 3090) by spending $800 on 4x32GB for 128GB memory and adding a cheap second 3090 on a riser, or buying a new machine outright, given recent hardware trends like N1X chips and unified memory. The thread asks the community for a verdict on the best bang-for-buck path to running the largest possible local model.

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