Kingston Technology 2 GB Kit (2x1 GB) Memory for Select Apple Desktops Dual Channel Kit 533 MHz (PC2 4200) 240-Pin DDR2 SDRAM KTA-G5533E/2G Includes two 1GB modules of 533MHz ECC DDR2 Desktop memory for Apple Works with power mac g5 dual 2/2.3 ghz and quad 2.5 ghz Memory designed, manufactured and tested to the specifications of each particular brand name computer system From the industry leader in PC memory 240-pin ECC DIMM type