TL;DR: I run a mismatched Tesla V100-PCIE pair—one 16 GB card and one 32 GB card, 48 GB total—in a Proxmox/LXC-based local-inference lab. The practical winner so far is a recent CUDA build of llama.cpp with tensor split, Flash Attention, --numa distribute, and large batches. On Qwen3.8 27B Q6_K_M I