The Hynix 4GB (2x2GB) DDR2 FB-DIMM PC2-5300F ECC Server RAM HYMP125F72CP8N3-Y5 is a high-quality memory module designed for server use. This RAM, with a total capacity of 4GB spread across two 2GB modules, utilizes DDR2 FB-DIMM technology and features ECC memory for error correction and fully buffered design for improved stability. With a bus speed of PC2-5300F (DDR2-667) and 240 pins, this Hynix RAM is a reliable choice for enhancing the performance and efficiency of server systems in enterprise networking and server applications.