Product Detail 100% COMPATIBLE MEMORY CAPACITY: 1GB Well Tested. Non-ECC Non parity SUPPORTS DUAL CHANNEL Lifetime Warranty Memory Speed: 667 MHz . The "Komputerbay 1GB DDR2 PC2 5300 667Mhz 240 Pin DIMM 1 GB" is best product for you. We recommended Komputerbay 1GB DDR2 PC2 5300 667Mhz 240 Pin DIMM 1 GB