The Timetec 16GB RAM kit includes two 8GB DDR3L/DDR3 1600MHz UDIMM modules, providing a total capacity of 16GB. These modules have a bus speed of PC3-12800 (DDR3-1600) and are designed to work with DDR3 SDRAM technology. The UDIMM form factor allows for easy installation in compatible memory slots, making it a reliable choice for upgrading the memory capacity of your computer. With a voltage requirement of 1.35V/1.5V, these modules offer stable performance for improved system performance and efficiency.