How tall is your RAM? I believe that fan on the 212+ will slide up and down, and it's the fan that blocks the slot nearest the CPU right? You should be able to slide the fan out a little ways on the heatsink, insert a module into the closest slot, then slide the fan back into place (flush with the edges of the heatsink). I have the same heatsink on a similar board, and though I haven't attempted this yet, it seems feasible. Let me know if you try it and how it works out.