8GB DDR3 Memory Upgrade for Lenovo ThinkCentre M72e Small/Tower PC3-12800 240 pin 1600MHz Desktop RAM (PARTS-QUICK BRAND) 8GB PC3-12800 DDR3 1600MHz 240 pin for Lenovo ThinkCentre M72e Small/Tower Capacity: 8GB Speed: PC3-12800 DDR3 1600MHz Form Factor: 240 pin DIMM Halogen Free; ROHS Warranty: Lifetime