Experience the reliability and performance of Micron's MT36HTF51272PZ-667H1, a 4GB PC2-5300P Registered ECC DDR2-667 memory module. Designed to deliver high-speed data transfer rates, this DIMM form factor RAM is an ideal upgrade for your server or desktop system that requires consistent and dependable performance. With a capacity of 4GB per module, you can expect smooth multitasking and efficient handling of memory-intensive applications. The single memory module allows for easy installation and is compatible with a variety of systems supporting PC2-5300 (DDR2-667) bus speeds. Keep your system running at optimal levels with this robust and precise memory upgrade.