Product Detail 100% COMPATIBLE MEMORY CAPACITY: 1GB ( 2X 512MB ) Well Tested. Non-ECC Non parity SUPPORTS DUAL CHANNEL Lifetime Warranty Memory Speed: 400 MHz . The "Komputerbay 1GB 2x 512MB DDR PC3200 400Mhz 184 Pin DIMM 1 GB KIT" is best product for you. We recommended Komputerbay 1GB 2x 512MB DDR PC3200 400Mhz 184 Pin DIMM 1 GB KIT