UCTRONICS 19 1U Rack Mount for Raspberry Pi with SSD Mounting Brackets, Thumbscrews Front Removable Bracket Supports Up to 4 Raspberry Pi 3B/3B+, 4B and 4 SSDs, Option SD Card Adapter

Design for
Raspberry Pi: Supports installation of 4 Raspberry Pis and 4 ssds, compatible with any 2.5 Solid State Drive (7mm/9mm) and Rpi 4B/3B+, and other B/B+ models.
The SSD mounting bracket also has two holes reserved for the SD card extension adapter
ASIN: B09CKRDFTH, which allows you to access the SD card from the front of the rack.
Easy to Setup: Just use two included thumbscrews to mount the rackmount, which adopts a screw-in design, which helps you install and replace quickly and easily, no tools needed!
Applications: This is a hardware solution to get ingenious use of the Raspberry Pi, with this kit and open source software OpenMediaVault, you can use the Pi as a NAS Server, Surveillance station, or even a Web server.
Optional accessories: Single
mounting bracket: B09GFQLPTY; Micro SD card extension adapter
ASIN: B09CKRDFTH.
I/O Panel: B09FXRQPFM
Compatible with PoE/PoE+ HAT: You can use Raspberry Pi official POE+ HAT and our POE HAT on it, search B082ZLDMZ6 to get mini PoE board or search B09MCGFX12 to get fan version.