The product is a set of 8 Micron 4GB DDR3-1333 PC3-10600R ECC server RAM modules, totaling 32GB of memory capacity. These DIMM modules have a memory speed of DDR3-1333, and are designed for server use with ECC memory features for error correction. These units are reliable and efficient components for enhancing the performance of server systems in enterprise networking and server applications. Please verify prior to purchase if this is compatible with your system.