Based on this product's specifications, here are some alternatives and similar models
Service Contract Cisco SMARTnet Catalyst 3750-X
Summary description:
Cisco SMARTnet provides essential support for your Catalyst 3750-X with 8x5 coverage and Next Business Day service. This carry-in maintenance contract ensures that you have access to technical support, software updates, and hardware replacement options, enhancing the reliability and performance of your network equipment.