The new ThinkServer DDR3 memory is the next generation of SDRAM memory that enables high I/O data transfer rates and reduced power consumption over DDR2 technology. Faster data transfer rates mean higher performance, and with DDR3 memory this is achieved without straining the system's power needs.Some of the most innovative features and benefits include:- Test-proven 100% compatible on listed ThinkServer Systems- Meets stringent ThinkServer reliability standards- Higher bandwidth performance increase, up to 1333 MHz per second- Asynchronous reset function available for the first time in SDRAM- Lenovo Limited Warranty- Authenticity seal on every DIMM