Lexmark Optra M412 600 600 http://www.lexmark.com/printers/laser/Optra/M412.html us-ascii A Postscript buy:10251717,buy(n):10251772,cfs:101091,cfs(n):101475pcm:522241/81913 4MB RAM standard; should take normal SIMMs. <br>17ppm. <br>Model M412n includes network adapter.