DDR3 Desktop DIMM Memory Module — 4GB & 8GB (1333 / 1600 / 1866MHz), 240-Pin, 1.5V

High-performance DDR3 desktop memory modules offered in 4GB and 8GB capacities with multiple speed options. Available purchase configurations: 1x4GB = 4GB total, 2x4GB = 8GB total, 1x8GB = 8GB total, 2x8GB = 16GB total. Module speed and PC3 classifications: 4GB — 1333MHz (PC3-10600), 1600MHz (PC3-12800), 1866MHz (PC3-14900); 8GB — 1333MHz (PC3-10600), 1600MHz (PC3-12800), 1866MHz (PC3-14900). These are standard 240-pin DIMM DDR3 modules operating at 1.5V, suitable for desktop motherboards that support DDR3 memory. Choose the capacity and frequency combination that fits your system and upgrade needs.