Memory is one of the most vital components to keep your ThinkServer operating at maximum performance and push the boundaries of productivity for all of your server applications such as virtualization, e-commerce, or file and print services. The ThinkServer DDR3 memory enables high I/O data transfer rate and reduced power consumption. Faster data transfer rates mean higher performance, and with DDR3 memory this is achieved without straining the system's power needs. This offering covers: ThinkServer 2GB DDR3L-1600MHz (1Rx8) ECC UDIMM ThinkServer 4GB DDR3L-1600MHz (1Rx8) ECC UDIMM ThinkServer 8GB DDR3L-1600MHz (2Rx8) ECC UDIMMTest-proven 100% compatible on listed ThinkServer Systems. Meets stringent ThinkServer reliability standards. High bandwidth performance, up to 1600M per second Lenovo Limited Warranty. Authenticity seal on every DIMM.