The problem of this PC is not lack of memory upgrdability, the problem of this PC is a price tag (even after discount), which is only justified for AI professionals who needs 96 GB of memory. There are many pre-build machines with much better gaming performance for much less money.
Gaming and local LLM enthusiasts who prefer mini PCs will most likely have AMD Strix Halo-powered systems on their radars. The GMKtec Evo-X2 is one such system with a 16-core Zen 5 APU featuring the Radeon 8060S iGPU, 96 GB of memory, and a 2 TB SSD, currently on sale with a 25% discount on Amazon.