Built for superior performance the lexmark ms810dtn network ready laser printer with internal two sided printing 512mb of memory and 1 200 sheet standard input has a print speed of up to 52 ppm faster processing improve your print speeds by taking advantage of up to 25 gb of upgradeable memory an 800 mhz dual core processor and gigabit ethernet reliable high performance easily print up to 50 000 pages per month and enjoy fewer maintenance hassles thanks to our state of the art paper han