DDR3 Desktop Memory Modules — 4GB / 8GB DIMM (240-pin) 1333 / 1600 / 1866MHz (1.5V)

Available module kits and totals: 1x4GB = 4GB total (one 4GB module); 2x4GB = 8GB total (two 4GB modules); 1x8GB = 8GB total (one 8GB module); 2x8GB = 16GB total (two 8GB modules). Form factor and electrical: DDR3 240-pin DIMM, standard desktop memory, operating at 1.5V. Speed and PC3 designations by capacity: - 4GB DDR3: 1333MHz (PC3-10600), 1600MHz (PC3-12800), 1866MHz (PC3-14900). - 8GB DDR3: 1333MHz (PC3-10600), 1600MHz (PC3-12800), 1866MHz (PC3-14900). Select the capacity and frequency combination that matches your motherboard for easy upgrades or dual-channel configurations.