SanDisk SDIZ90N-256G-JS4LM

It appears that you have mentioned the SanDisk SDIZ90N-256G-JS4LM. This could be a model number for a SanDisk product, such as a memory card or a storage device. However, without more context or specific information, it is difficult to provide further details about this particular model. If you have any specific questions or would like more information, please feel free to ask.