Transcend 2GB DDR2 SDRAM Memory ModuleTranscend 2GB DDR2 SDRAM Memory Module The TS256MQR72V6U is a high performance, server grade memory module engineered to deliver dependable data throughput and stable operation in demanding environments. This Transcend 2GB DDR2 SDRAM memory module is described as a 256M x 72 bit DDR2 667 Registered DIMM, designed to provide a robust balance of capacity, speed, and reliability for mission critical servers, workstations, and virtualization platforms.