This is a Dual Stepper Driver Module for direct replacement of that module in the new G5 series controllers. This module is two PCB cards mounted on the plate . It has two round motor connectors and is setup to install one or two G251 Gecko driver modules (avaialble seperately) .You can use this as a replcemsnt for an existing module or as an expansion module . If you are orering as an expansion module be sure to order the optional 10pin ribbon cable to connect it back to the MAT250 card.
NOTE Photos show G251-2 module with 2 Gecko G241X drivers mounted. You are buying the module LESS the Drivers. Order drivers as Options.