The Samsung 4GB PC3-10600 DDR3 Desktop Memory RAM consists of two 2GB modules, each with a total capacity of 4GB. With a form factor of DIMM and 240 pins, these DDR3 SDRAM modules have a bus speed of PC3-10600 (DDR3-1333). Made in China, this memory RAM is designed for desktop computers and offers reliable performance for enhancing the speed and efficiency of your system. Upgrade your computer with this high-quality memory module from Samsung.