The Samsung 16GB 2x8GB DDR4 1Rx16 3200MHz Desktop Memory RAM consists of two 8GB DDR4 SDRAM modules, making a total capacity of 16GB. These DIMM modules have a bus speed of PC4-25600 (DDR4-3200) and 288 pins. The memory features non-ECC unbuffered technology, providing reliable performance for desktop computers. The model number for this memory RAM is M378A2G43AB3-CWE, making it compatible with various desktop systems.