The Memory Module is a CAN based device that connects to the expansion port on AiM MXL2, MXP, MXS, MXG, and EVO4S loggers and records data in parallel with the on board memory. Perfect for applications with multiple drivers like an endure or when it's more convenient not to have to connect the cable. A 16GB SD card is included, but it can handle SD memory card capacity up to 128GB. Cable length is 15"/40cm. AiM SKU X08MMD040.