As direct download links may change or expire, I recommend using the Cisco website to download the image. However, if you're looking for a direct link, you can try:
When you're ready to install or upgrade, refer to the Cisco Nexus Installation and Upgrade Guide for detailed instructions. Nxos.7.0.3.i7.9.bin Download--
Compare the output with the MD5 checksum provided on the Cisco download page. As direct download links may change or expire,
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