Product information: Athlon 64 X2 Dual Core 5400+ 2.80GHz (Socket AM2) - RetailThe 3 main changes on the AM2 are that it will now use DDR2 Memory. A new pin out configuration which requires new heat sink fan configuration is also required. AM2 heatsinks will be available shortly and all our AM2 processors are retail boxed supplied with heatsinks and fan.
Below are the following recommended memory configurations:-
AM2 FX-62 DDR2-800 or DDR2-1066 (PC2-6400 - PC2-8500)
AM2 Dual Core X2 DDR2-667 or 800 (PC2-5300 or PC2-6400)
AM2 Athlon 64 DDR2-533 or 667 (PC2-4200 or PC2-5300)
AM2 Sempron DDR2-533 or 667 (PC2-4200 or PC2-5300)