That's a constant factor of what, 6? Less once you consider the capacitor and row refresh circuitry? And yet I cannot purchase even a 1GB SRAM stick. I don't

That's a constant factor of what, 6? Less once you consider the capacitor and row refresh circuitry? And yet I cannot purchase even a 1GB SRAM stick. I don't see why that equates to "just doesn't scale". Can you elaborate?