Built for Superior Performance. The Lexmark MS810n network-ready laser printer has an 800 MHz dual-core processor, 512MB of memory, 650-sheet standard input & a print speed of up to 52 ppm. Faster Processing Improve your print speeds by taking advantage of up to 2.5 GB of upgradeable memory, an 800 MHz dual-core processor & Gigabit Ethernet. Reliable High Performance Easily print up to 20, 000 pages per month & enjoy fewer maintenance hassles, thanks to our state of the art paper handling. Keep Jobs Moving With a maximum input capacity of up to 4, 400 sheets & a high yield toner cartridge, you won′t have to add paper or change cartridges as often. Spend Less Time Waiting Print up to 52 pages per minute, & produce your first page in as little as 4.8 seconds. Finishing That Adds Polish Produce projects professionally with optional automated collating, stapling & other finishing features.