UCTRONICS Complete Ultimate Raspberry Pi Rack Mount Enclosure with PoE Functionality, Front Removable 19" 1U Rack Mount with Thumbscrews, Supports Up to 5 RPis

IMPROVEMENT - Fully Complete Enclosure, provides effective separation and protection for 5 RPis, and the screen/power button wires won't get caught anymore, which also makes your rack neater artistic.
IMPROVEMENT - Front-Removable, the mounting bracket allows each Raspberry Pi can be individually removed from the front without removing the whole thing.
IMPROVEMENT - Wider Compatibility, isolated PoE HAT has no issue of working with any PoE switch, and RPi mounting bracket is designed to support both Raspberry Pi 4 B and 3 B+ models.
IMPROVEMENT - Thumbscrew, quality metal material, and the grip knob thumb screw adopt a screw-in design, which helps you install and replace quickly and easily, no tools needed!
Please search ASIN: B09V1DH7VS to check the latest version of the Raspberry Pi complete enclosure. REROUTING with PoE - It's come with mounting plates and rerouting boards with PoE function for Pi 4B, which also moves all of the I/O ports and SD card slot to the front, and adds a push-button switch to control the Pi easily.