eBay Auctions - Name your price! eBay auction! Allen Bradley SLC 500 1747-M13, 64K Memory Module, Used $89.95 eBay auction! 2 ALLEN BRADLEY 1747-M1 MEMORY MODULES SLC 500 (1547) $46.99 eBay auction! 1747-M1 Allen Bradley SLC 500 Memory Module 1747M1 A-21 $14.99 eBay auction! 1747-M2 Allen Bradley SLC 500 Memory Module 1747M2 N553 $24.99 1