EDGE Tech 512MB DDR2 SDRAM Memory Module - 512MB (1 x 512MB) - 533MHz DDR2-533/PC2-4200 - DDR2 SDRAM - 240-pin

533 MHz of memory speed skillfully manages the variety of apps and computational tasks 512 MB of memory is great for executing frequently used applications DDR2 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computers performance