A Reddit user achieved 256 GB VRAM for $2,800 using 8x Radeon Pro V620 32 GB GPUs paired with dual Intel Xeon Gold 6148 CPUs, 384 GB DDR4 ECC memory, and a Supermicro X11DAi-N motherboard. However, the build suffers from an issue where half the GPUs drop off the PCIe bus when attempting