The Kingston PC-133 128 MB DIMM 133 MHz SDRAM Memory module is a reliable and high-quality RAM designed for enhancing computer performance. With a bus speed of PC-133, this DIMM module offers fast data transfer rates. Kingston is a well-known brand in the memory industry, ensuring stability and compatibility with a variety of computer systems. This single module provides 128 MB of memory, perfect for upgrading or replacing existing memory modules to improve overall system speed and efficiency.