The Kingston KTH-D530/256 256MB PC3200 184-Pin 400MHz CL3 DDR SDRAM DIMM Memory RAM is a memory module designed for computers. With a capacity of 256MB and a bus speed of PC-3200 (DDR-400), this DDR1 SDRAM DIMM module provides reliable and fast performance for your system. Kingston is a trusted brand known for producing high-quality memory modules, making this product a reliable choice for upgrading your computer's memory capacity.