4GB Memory for Gateway ZX6980-UR14 Desktop DDR3L PC3L-12800 1600MHz SODIMM RAM Upgrade (PARTS-QUICK BRAND) Capacity: 4GB Form Factor: 240 pin DIMM Speed: PC3L-12800 DDR3L 1600MHz 1.35v Low Voltage Low Power Halogen Free; ROHS; Warranty: Lifetime