I Built a 1 Petabyte Server From Scratch

Made By Dennis
Made By Dennis
Published on 9.01.2026

I build a petabyte / 45 disk capable NAS / JBOD from the ground up starting with custom sheet metal, 3d printed parts, and custom electronics. If you’ve seen another petabyte build on the internet, then this video will show you more of the low level internals that you don’t often hear about.

Source Materials (mostly done. Adding more docs shortly after the video release):
- 3D Files: https://www.printables.com/model/1548791-45-disk-jbod-sheet-metal-3d-printed
- Main Documentation and PCB Design Files: https://github.com/dennisss/dacha/blob/master/pkg/cluster/machines/jbod/index.md
- BOM/Cost : https://docs.google.com/spreadsheets/d/1KNHD45KcieuOQvtFg4cbEk99u0mlP4kmd4sg81L6Za8/edit?usp=sharing

Chapters:
0:00 Intro
0:49 Background
1:54 The Plan
3:50 Frame
5:50 PSUs
7:19 Backplane
10:50 Electronics Stack
13:40 Power Wiring
16:05 Fan Panels
16:49 Data Wiring
17:27 Floor Panels
17:55 Disk Retainer
19:46 Installing Disks
21:00 Cover
21:46 Benchmarks
27:03 Outro

Links:
- My main NAS case: https://store.45homelab.com/configure/hl15
- Compared Supermicro JBOD: https://www.supermicro.com/en/products/chassis/4u/847/sc847e2c-r1k23jbod
- Compared Storinator S45: https://www.45drives.com/products/storage-server-storinator-s45/
- Referenced Cloud Backup solutions
- https://www.backblaze.com/cloud-storage/solutions/backup-and-archive
- https://cloud.google.com/storage#backups-and-archives
- Send Cut Send Sheet Metal References:
- https://sendcutsend.com
- Bending: https://www.youtube.com/watch?v=4lLcHhIptZc
- Material I used: https://sendcutsend.com/materials/g90-steel/#details
- https://sendcutsend.com/services/powder-coating/
- Reed Solomon Reference: https://www.cs.cmu.edu/~guyb/realworld/reedsolomon/reed_solomon_codes.html
- 45Drives Vibrations Blog Post: https://www.45drives.com/blog/storage/everything-you-need-to-know-about-hard-drive-vibration/

Runtime 00:27:10

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