Kingston 2GB (2x1GB) KD6502-ELG 2Rx8 PC2-5300 (DDR2-667) 667MHz ECC 240 Pin 1.8V Desktop Memory (Pack of 2) Number of Modules: 2 Capacity per Module: 1 GB Bus Speed: PC2-5300 (DDR2-667) Type: DDR2 SDRAM Number of Pins: 240