TS64MLR72V6F - 512MB SDRAM PC133 ECC Registered Memory
Transcend 512MB SDRAM PC133 ECC Registered Memory, 0.5 GB, 133 MHz, 168-pin DIMM
Transcend 512MB SDRAM PC133 ECC Registered Memory. Internal memory: 0.5 GB, Memory clock speed: 133 MHz, Memory form factor: 168-pin DIMM, CAS latency: 3, ECC