2x4 GB - Excellent Condition - Works!The Centon 8GB DDR3 CMP1333PC4096.01 NIGV78PEA memory module set includes two 4GB DIMM modules with a DDR3-1333 bus speed. Designed for computers and networking devices, these DDR3 SDRAM modules are manufactured in China and are compatible with systems requiring a total capacity of 8GB. The Centon brand ensures quality and reliability, making it a dependable choice for increasing memory capacity in your system.