The product is a set of eight Hynix 64GB DDR4 SDRAM memory DIMMs, designed for high performance and reliability. Each DIMM has a total capacity of 64GB, providing a total memory capacity of 256GB when installed in a quad-channel configuration. These memory modules feature Error Correcting Code (ECC) memory technology, ensuring data accuracy and integrity. With a bus speed of PC4-21300 (DDR4-2666) and 288 pins, these modules are suitable for high-end computing applications requiring large amounts of memory. Made in South Korea, these memory DIMMs are a reliable choice for enhancing the performance of your computer system.