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