16GB 4x4GB PC2-6400 DDR2-800MHz Non-Ecc 240Pin DIMM AMD CPU Desktop Memory AMD ONLY!!!!!!!!! NOT SUPPORT Compaq,HP,Dell,Apple Computer.!! All the Intel CPU,Intel chipset,Intel mainboard. Capacity: 4GB Type: 240-Pin DDR2 Dimm Speed: Max speed PC2-6400 800 MHz (chip DDR2-667) It can not fit for any intel cpu motherboard, only fit for AMD CPU Motherboard