Komputerbay 1GB 2x 512MB DDR PC3200 400Mhz 184 Pin DIMM 1 GB KIT Komputerbay 1GB 2x 512MB DDR PC3200 400Mhz 184 Pin DIMM 1 GB KIT Well Tested. Non-ECC Non parity SUPPORTS DUAL CHANNEL Lifetime Warranty Memory Speed: 400 MHz