Synology DSM 7.4.1-90080 Released

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Synology DSM 7.4.1-90080 Released

On July 23, 2026, Synology released a new DSM version called DSM 7.4.1-90080. Below I will guide you step by step through the process of installing the new DSM 7.4.1-90080. This update fixed an issue where a USB UPS could not be recognized after updating to DSM 7.4 and an issue where USB devices could not be used on certain models after updating to DSM 7.4.

📝DSM 7.4.1-90080 FULL CHANGELOG

  • STEP 1

Manually Download DSM 7.4.1-90080 by following the blue link below. From the official Synology Archive, download DSM 7.4.1-90080 for your NAS model.

🚀DOWNLOAD DSM 7.4.1-90080

  • STEP 2

Go to Control Panel / Update & Restore then click on Manual DSM Update. Select the file you have previously downloaded at STEP 1 then click OK. Follow the instructions in the image below.

Synology-DSM-7.4.1-90080-1

  • STEP 3

A new pop up window will open. Click OK. Follow the instructions in the image below.

Synology-DSM-7.4.1-90080-2

  • STEP 4

After approximately 5 minutes your new DSM 7.4.1-90080 will be installed on your Synology NAS device.

Synology-DSM-7.4.1-90080-3

This post was updated on Friday / July 24th, 2026 at 2:03 AM

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