The Micron 8GB PC3-12800 (DDR3-1600) Memory module is a DIMM type DDR3 SDRAM memory with a total capacity of 8GB spread across two 4GB modules. This memory module has a form factor of DIMM and is designed for high performance in computer systems. With a bus speed of PC3-12800 (DDR3-1600), this memory module is suitable for upgrading or replacing existing memory modules in computers. The compact dimensions of 5.82 inches in length, 1.85 inches in width, and 0.35 inches in height make it easy to install in various computer configurations.