The Kingston HyperX KHX 1600C9D3K3/6GX 6GB DDR3 memory modules consist of three 2GB DIMM modules with a total capacity of 6GB. These memory modules have a bus speed of PC3-12800 (DDR3-1600) and are designed for high performance in computers. With a form factor of DIMM and 240 pins, these DDR3 SDRAM modules are ideal for upgrading the memory capacity of your computer system. Made in China, these memory modules offer reliable and efficient performance for your computing needs.