The WINTEC 128MB SDR133 SDRAM WSDUN128X604L-133C-QF is a single module of memory with a total capacity of 128 MB. This RAM is specifically designed for computer systems that support SDR SDRAM technology. The Wintec brand ensures quality and reliability, making it a dependable choice for upgrading or replacing existing memory modules in your system. With its compact design and high capacity, this memory module can provide a significant boost to your computer's performance and speed up data processing for improved efficiency.