This SK hynix DDR3 SDRAM memory comes in a set of 8 modules, each with a capacity of 8GB, for a total capacity of 64GB. The memory has a bus speed of PC3-12800 (DDR3-1600) and 204 pins. It is compatible with a variety of computer components and can be used to upgrade or replace existing RAM.The product model is HMT41GS6BFR8APB. This item is perfect for those looking to boost their computer's performance and speed.