MakerWorld
19" Rack 2U 20x 2,5" HP Gen8/9 HDD Module hot swap
- Creator (as listed at the source)
- RULERULAS
- Licence
- Standard Digital File LicenseStated at the source marketplace; SliSearch does not verify licences.
- File types
- STL
- Pricing
- Free
- Published
- Category
- Electronics
- Likes
- 30
- Downloads
- 28
Overview
This module is part of my collection 19" Rack Madness , all the modules are interchangeable and you can join them together to create the perfect 19" rack module, follow the collection to stay notified as new modules are added.
This is a 2U rack module for 20× 2.5" drives , designed specifically for short-depth HP-style caddies , solving a common issue with existing designs that require extra depth to fit standard trays.
Most available solutions need additional clearance behind the drives, making them unsuitable for compact racks or shallow enclosures.
This version is optimized to fit shorter caddies while maximizing storage densityfor a 19-inch rack.
Read the full description
Additionally, I have designed compatible 3D printable caddies, allowing you to build a complete storage system even if you don't have original HP Gen8/Gen9 caddies.
Key Features
✅ Holds 20× 2.5" SATA/SAS drives
✅ Designed for short-depth HP-style caddies
✅ Compatible with HP Gen8 and Gen9 drive caddies
✅ Compatible with my 3D printed HP-style caddies 2.5" Files here
✅ Comptible with the dummy caddy to fill the bays Files here
✅ Space-efficient 2U design
✅ Strong and rigid construction
✅ Perfect for compact homelab storage servers
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Why this model?
Existing drive cages often require more rack depth.
Many designs are incompatible with short HP-style caddies.
This module maximizes storage capacity while remaining compact.
Ideal for building modular storage systems in 19-inch racks.
Use Cases
NAS builds
Homelab storage servers
TrueNAS
Unraid
Proxmox
19" rack systems
Compact storage appliances
Printing
0.2 mm layer height
2–3 walls
15–20% infill
PETG / ABS / ASA recommended
Assembly
To mount the 2 halfs there are space for 16 m3x10 screws, i recomend fitting them all but im sure you can get away with less. also its prepared to screw directly into the plastic, the forces will be lateral so it should hold nice without heated inserts.
If you mount longer screws m3x14mm or bigger, you can add a nut to lock it even better.
To be ablke to achieve hotswap, you are going to need these adapters Link here
I recommend using the sas to sata adapters as they can fit sas disks as well as sata disks without any downside and are not much more expensive,
and the geometry is designed for them,
To mount all drives you will need:
20 HP Gen8/Gen9 compatible 2.5" drive caddies (original or my printable version)
20 SATA/SAS adapters
40 M3×8 mm screws (or similar) for mounting the adapters
The drives simply slide into the module, providing a clean, compact and modular storage solution for your homelab.
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