Kingston KVR533D2E4K2/1G 1024MB 2 x 512MB ECC CL4 DIMM 240-Pin DDR II ValueRAM Memory Manufacturer Part Number: KVR533D2E4K2/1G Product Line: ValueRAM Packaged Quantity: 1 Memory Size: 1GB DDR2 SDRAM Number of Modules: 2 x 512MB