The PNY 64COMHHHJ-HS 8GB DDR3-1333 Desktop Memory RAM is a set of two 4GB DIMM modules designed for desktop computers. Made by PNY, these DDR3 SDRAM modules have a total capacity of 8GB and a bus speed of PC3-10600 (DDR3-1333). With Error Correction Code (ECC) memory features, this RAM is reliable for stable and efficient performance. Manufactured in China, this memory kit is a quality option for upgrading your computer's memory capacity. Taken from non working computers but guaranteed working!