Based on this product's specifications, here are some alternatives and similar models
Memory module for laptop Lexmark — model Doors Front with Duplex
Summary description:
Laptop memory module by Lexmark, model Doors Front with Duplex. This component is intended as system RAM for compatible notebooks and provides standard memory functionality for running applications and multitasking. Use it to upgrade or replace existing laptop RAM to improve responsiveness, load times, and overall system performance when compatible with the device's memory specifications.