DDR3 Desktop DIMM Memory Module - 4GB / 8GB, 1333 / 1600 / 1866MHz (PC3-10600 / PC3-12800 / PC3-14900), 240-pin, 1.5V

Available configurations: 1x4GB = 4GB total (single 4GB module), 2x4GB = 8GB total (two 4GB modules), 1x8GB = 8GB total (single 8GB module), 2x8GB = 16GB total (two 8GB modules). Form factor and voltage: DDR3 desktop 240-pin DIMM, 1.5V. Module speed/CAS mappings offered: 4GB DDR3 1333MHz / PC3-10600; 4GB DDR3 1600MHz / PC3-12800; 4GB DDR3 1866MHz / PC3-14900. Also available as: 8GB DDR3 1333MHz / PC3-10600; 8GB DDR3 1600MHz / PC3-12800; 8GB DDR3 1866MHz / PC3-14900.