The Hynix HMT151R7BFR4C-H9 4GB DDR3 ECC Server RAM Memory Module is a high-quality memory module designed for server use. This DIMM module has a total capacity of 4GB and operates at a bus speed of PC3-10600R (DDR3-1333). It features ECC memory and is registered, ensuring reliable performance and error correction. With its 240 pins and compact form factor, this memory module is an essential component for enhancing server performance and capacity in various enterprise networking and server applications.