The PNY 2x4GB DDR3 SO-DIMM Memory is a high-quality memory module designed for desktop and laptop computers. These 204-pin memory modules have a total capacity of 8GB, with each module containing 4GB of DDR3 SDRAM. The memory features unbuffered technology and a bus speed of PC3-10600 (DDR3-1333), ensuring efficient performance. Manufactured in Taiwan, these memory modules come with a lifetime warranty from PNY, making them a reliable choice for upgrading your computer's memory capacity.