8GB Kit (2x4GB) PC2-5300 (DDR2-667MHz) FB-DIMM, MEMORIA PARA SERVIDORES.Form Factor FB-DIMMBus Speed PC2-5300F (DDR2-667)Total Capacity 8GBNumber of Modules 2PCSCapacity per Module 4GB Item Discription : Original Chips, • 240Pins, 1.8V. • Superior quality and best price • buffered, ECC • Fully tested