The Corsair XMS3 16GB DDR3-1866 PC3-12800 240-Pin DIMM memory modules are designed for high performance in computers that require a large amount of RAM. With a total capacity of 16GB spread across 4 modules, each with a capacity of 4GB, this memory kit is ideal for boosting the speed and efficiency of your system. The DDR3 SDRAM technology and 1866MHz bus speed ensure reliable and fast data processing, making it suitable for demanding tasks such as gaming, video editing, and multitasking. The 240-pin design is compatible with a wide range of motherboards, offering flexibility and compatibility for various setups.