Kingston 1GB PC2-5300 667MHz DDR2 SDRAM Notebook Memory KVR667D2SO/1GR DDR2 is the next-generation evolution of DDR memory technology. DDR2 memory features faster speeds, higher data bandwidths, lower power consumption and enhanced thermal performance. Amount: 1GB; Speed: DDR2 PC2-5300 (667 MHz); Type: DDR2-SDRAM; Model: KVR667D2SO/1GR