We are pleased to offer. Allen BRADLEY CAT 1756-L1/A PROCESSOR UNIT 1756-M2/A 1MB MEMORY EXPANSION. TYPE: PROCESSOR UNIT WITH 1MB MEMORY EXPANSION. This item is in the category "Business, Office & Industrial\Industrial Automation & Motion Controls\Other Automation Equipment".The seller is "are_marine" and is located in this country: IN. This item can be shipped worldwide.