Description
Genuine Cooler Master Elite 120 RC-120A-KKN1 HDD Mounting Rails
Brand: Cooler Master (Original OEM part)
Replace missing hardware or complete your build with these genuine OEM 3.5″ drive mounting rails designed for
Cooler Master Elite 120 (RC-120A-KKN1) PC cases.
This component supports:
- 3.5″ SATA hard disk drives
- Tool-free style installation via rail system
Compatibility
- Cooler Master Elite 120 (RC-120A-KKN1)
- Similar Cooler Master compact cases (unverified)
- Custom builds using compatible rail slots
Note: This part may fit other models, but compatibility is
not guaranteed. Please verify before purchasing.
Included
- Set of 2 mounting rails
- Integrated metal mounting prongs
- No additional screws required
- No other accessories
Mounting Notes
- Rails attach to drive via integrated metal pins inserted into side screw holes
- Drive then slides into case mounting slots for quick installation
Approximate Dimensions
- Height: 0.5″
- Depth: 5.75″
- Width: 0.19″
Material: Plastic with metal pins
Finish: Black
Condition
Unused leftover from a system build
These rails were not needed during a build and have not been used. Clean and ready to install. Hope someone on the internet can put them to use—always handy to have spares for older cases.
Exactly what is shown in the photos is included.
Frequently Asked Questions
What does this part do?
These rails allow you to mount and slide a 3.5″ hard drive into a compatible case without using screws.
Is this an original OEM part?
Yes. This is a genuine Cooler Master component.
View other parts on our
Cooler Master brand page.
Manufacturer reference:
Official Cooler Master Website








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