2GB Kit (2x1GB) PC3200 400MHz DDR DIMM Desktop, notebook computers and processors such as Intel ¿s Pentium, Celeron, AMD ¿s Athlon, Sempron and others. PNY expansion modules are compatible with systems from Apple, Compaq, Dell, Gateway, HP, IBM and over 5000 other systems. Increase the performance of your PC to its maximum capacity. The PNY memory upgrades will prove an exceptional value, both now and in the future.