Based on this product's specifications, here are some alternatives and similar models
Server fan Lenovo ThinkSystem SR650 V2 replacement fan 4F17A14497
Summary description:
Replacement server cooling fan compatible with Lenovo ThinkSystem SR650 V2, part number 4F17A14497. Designed to restore or maintain proper airflow and cooling in the SR650 V2 chassis. Suitable for system maintenance, repair, or spare parts inventory to ensure stable operation and prevent overheating in data center or enterprise server environments.