This option offers four output destinations in one. Each of the 4 bins on this option supports approximately 100 pages of paper. The B5460dn printer can support up to three of these options at once, for a total of twelve additional bins or an additional output capacity of 1200 sheets. It helps sort and stack print-out of different workgroup, facilitating document management for your office.This product has been tested and validated on Dell systems to ensure it will work with your computer. Dell provides technical support for this product, when used in combination with a Dell system.