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Jonsbo D31 3 HDD Cage /w rails + 120mm fan mount

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Description

Jonsbo D31 HDD Cage with 120mm Fan Mount

Upgrade your Jonsbo D31 case with this custom-designed 3.5-inch HDD cage, featuring integrated rails and a 120mm fan mount for improved cooling and storage flexibility.

Features:

✅ Supports up to three 3.5-inch hard drives using standard HDD mounting screws or M3x10mm screws.
✅ Mounts securely to the bottom of the case with four M5x25mm hex bolts and M5 nuts.
✅ Integrated 120mm fan mount, supporting both 25mm and 30mm fan thicknesses (adjust M4 screw length accordingly).
✅ Lower fan mount leaves clearance for ATX power supply cables.
✅ Compatible with most ATX power supplies while keeping all components functional. PSU can still be mounted in the top two positions depending on its size.
✅ Short GPUs can still fit when using three HDDs.
✅ HDD rails slide in securely on their own, ensuring a stable fit.

This design maximizes space efficiency in the Jonsbo D31 while maintaining airflow and usability, making it perfect for PC builders looking for both storage and cooling solutions.

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