9905193-040.A00LF Kingston 1GB DDR-400MHz PC3200 ECC Unbuffered CL3 184-Pin DIMM Memory Module

The "9905193-040.A00LF Kingston 1GB DDR-400MHz PC3200 ECC Unbuffered CL3 184-Pin DIMM Memory Module" is a high-performance computer memory upgrade option. It has a capacity of 1GB, which means it can store a large amount of data and help improve your computer's overall performance. The memory operates at a speed of 400MHz, which is part of the DDR-400MHz standard, and has a PC3200 rating.

This memory module features Error Correction Code (ECC) technology, which helps detect and correct errors that may occur in data transmission. Additionally, the memory module is unbuffered, meaning it does not include a buffer chip, which can improve its compatibility with a wider range of systems.

The module has a CL3 rating, which is a measure of the memory's latency. A lower CL rating generally indicates better performance. The module is designed to fit into a 184-pin DIMM slot, which is a common memory socket found in many desktop computers.