Enhance your desktop's performance with this set of 4 Samsung 512MB 1Rx8 DDR2 memory modules. Designed for compatibility with most desktops, each module offers a total capacity of 1GB and a bus speed of PC2-4200U. The memory modules come in SO-DIMM form factor and are suitable for use in computer components and parts. Ideal for multitasking and running multiple applications simultaneously, these modules are a must-have for avid gamers, graphic designers, and professionals working with heavy software. Invest in this reliable and efficient memory solution from Samsung today.