Supermicro CSE-846 Chassis...
This Supermicro CSE-846 is the whole reason this build works: 24 front bays, a real fan wall, and proper rails/caddies if you can find a good deal. I like doing minimal permanent mods so I can repurpose the chassis later instead of “ruining” it for one project.
You'll be taken to Ebay to complete your purchase.