Kingston - Memory - 512 MB - DIMM 168-PIN - SDRAM - 133 MHz / PC133 - unbuffered
 
Kingston - Memory - 512 MB - DIMM 168-PIN - SDRAM - 133 MHz / PC133 - 3.3 V - unbuffered - ECC
 
Kingston - Memory - 1 GB ( 2 x 512 MB ) - DIMM 168-PIN - SDRAM - 133 MHz / PC133 - CL3 - 3.3 V - registered - ECC