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Raspberry Pi Rack Mount: 5 Best Racks for Pi Clusters

Looking to build a Raspberry Pi cluster? Here are the 5 best Raspberry Pi rack mount options to get started right.

A Raspberry Pi rack mount allows you to simultaneously use more than one Pi board by connecting them directly via onboard hardware components. A Raspberry Pi cluster is one or more Raspberry Pi rack mounts using multiple boards. [Read: Raspberry Pi Models and Cool Projects for Each in 2021]

Developers use a Raspberry Pi rack mount to test applications on external hardware. A Raspberry Pi cluster can be used to emulate applications as they would work on a network. A Raspberry Pi cluster may also be used to power real applications on a real network, rather than simple testing and troubleshooting.

In this post, let us look at 5 of the best Raspberry Pi rack mount options available to build a cluster.

Best Raspberry Pi Rack Mount Options

A Raspberry Pi rack mount can host several server applications running on several Raspberry Pi boards. The more Raspberry Pi boards used, the more evenly server roles can be distributed across multiple boards on a cluster. Anyone Pi board can use hardware connected to the cluster.

This creates an efficiency that allows the Raspberry Pi to be utilized for a higher purpose other than simple development and mere staging. Kubernetes and Docker applications are very easy examples of why one would create a Raspberry Pi cluster. Docker apps can be deployed easily across a network using Kubernetes, reducing the need to install licensed software locally on a client machine.

Docker is good for a great many things. In fact, it is such a popular app on SmartHomeBeginner, there are many articles and guides to read here. Anything you can do in Docker on one computer, you can use on another. For a good review of all the possibilities, check out some of the great articles on SHB. [Read: Ultimate Docker Home Server with Traefik 2, LE, and OAuth / Authelia [2020]]

1. BitScope Blade for Raspberry Pi

Raspberry Pi Bitscope Blade Rack Mount
Bitscope Blade

BitScope Blades work with Raspberry Pi Zero, A+, B+, 2 & 3, HATs, Displays and other BitScope products, and are available in three editions:

BitScope Blades are a Blade Server solution for physical computing, which allow you to create clusters of servers for distributed and cloud computing. BitScope allows you to combine blade compute clusters in network connected racks to create cloud platforms. Examples of use cases are:

Capable of powerful I/O at a lower cost compared to other distributed processing solutions, BitScope Blades also support BitScope software. Based on open source and Linux, BitScope software can be used for monitoring BitScope hardware or running BitScope applications such as oscilloscope logic analyzer, logic protocol analyzer, chart recorder, waveform meter, and more.

Not every Raspberry Pi rack mount comes with a complete software suite. Every BitScope app is powered by a virtual machine. And BitScope promises to deliver more software in the future, including a custom edition of Raspberry Pi OS for physical computing with Docker-based solutions.

2. UCTRONICS Ultimate Rack with PoE

Uctronics Raspberry Pi Rack Mount
Uctronics Rack Mount

The UCTRONICS Ultimate Rack for Raspberry Pi 4 is a 19" 1U Rackmount with PoE HAT with complete PoE functionality. All I/O ports and the SD card slot are at the front for easy accessibility. Designed for effective cooling, a built-in fan allows the UCTRONICS Ultimate Rack to perform optimally.

There are many technical reasons to consider the UCTRONICS Ultimate Rack. For starters the adapter board was turned to reroute ports into a Power-Over-Ethernet HAT for compatibility with any PoE switches. Based on the UCTRONICS U6143 Raspberry Pi rack mount, rerouting the adaptor board means all I/O ports are on one side.

An OLED screen displays:

  • IP address
  • CPU temperature
  • CPU usage
  • SD card storage space
  • Onboard RAM memory usage

The OLED screen can also be programmed to display other information.

The UCTRONICS Ultimate Rack is ideal for:

  • Learning distributed computing and deployment
  • Experimenting with Docker and Kubernetes
  • Building test environments
  • Hosting web servers with databases
  • Running a NAS server
  • Privately playing games
  • Powering a media center
  • Home automation system solutions

A push-button switch allows you to shutdown selectively, rather than from the command line or by unplugging the entire rack.

3. MyElectronics Raspberry Pi Rack Mount

Myelectronics Raspberry Pi Rack Mount
Myelectronics Rack Mount

The MyElectronics Raspberry Pi rack mount fits Raspberry Pi 4 Model B, 3B+, 3 Model B, 2B, R, and the first-generation Raspberry Pi 1 Model B+. Per each Raspberry Pi are two spaces for two connectors or other inserts. You can optionally choose to use LAN, USB3, USB-C, Audio, or HDMI connectors.

Sometimes the best Raspberry Pi rack mount is made to let you do the job of installing inserts and connectors of your own choosing or design. This is the perfect Raspberry Pi rack mount for creating a scalable cluster, suitable for home and enterprise automation. You can open or close any slot on this Raspberry Pi rack mount. Optional inserts and connectors can be used with all slots uncovered or any other combination imaginable.

The MyElectronics Raspberry Pi rack mount for 1 to 4 Raspberry Pi boards comes with four snap-off blank covers. This 19-inch 1U Raspberry Pi rack mount makes it easy to install units of with only two screws. Made of sturdy metal, this is a solid addition to any cluster or other setup. You can mount only one Pi board and cover the rest or mount them all.

4. GeeekPi 6-Layer Raspberry Pi Cluster

Geeekpi 6-Layer Raspberry Pi Cluster Case
Geeekpi 6-Layer Raspberry Pi Cluster Case

The GeeekPi 6-layer Raspberry Pi cluster case is a stackable Raspberry Pi rack mount case with heatsinks and a dogbone stack enclosure for Raspberry Pi models 4, 3B+, or 3 and 2 Model B. If want to consolidate and keep your boards cool, this is a great option!

Because of the vented enclosure, you can install any similar size fan and never worry about overheating your Pi boards again. One reviewer on Amazon recommends the Noctua NF-A9 PWM 92mm 4-Pin premium quiet fan, which happens to also be brown like the GeeekPi Raspberry Pi cluster case.

This Raspberry Pi cluster case can hold up to six boards, comes with all the necessary heatsinks and includes:

  • 1 x 1 pack of 6-layer acrylic cluster framework
  • 6 x aluminum heatsink packs (for Raspberry Pi 4B)
  • 6 x aluminum and copper heatsink pack (for Raspberry Pi 3B+)
  • 1 x screwdriver

In about half an hour you can have all your Pi boards screwed into this case and ready to go. Made of sturdy aluminum, the GeeekPi Raspberry Pi cluster case allows access to all ports and slots, including SD card slot, GPIO port, USB ports, and HDMI.

5. Eau 4 Slot Raspberry Pi 4 Cluster Case

Eau Stackable 4-Slot Raspberry Pi Cluster Case
Eau 4-Slot Stackable

The Eau 4-slot Raspberry Pi cluster case is compatible with Raspberry Pi 4B, 3B+ and Raspberry Pi 3 and 2 Model B. This Raspberry Pi cluster case comes with four cooling fans and all the screws you need to assemble the 4-layer, clear acrylic case into a cluster stack. Each layer is 35mm to allow for heat dissipation and easy access to:

  • the Raspberry Pi board
  • Power supply USB port
  • RCA video
  • Audio jack
  • USB ports
  • Ethernet port
  • and the SD card!

Not only does the Eau Raspberry Pi cluster case include the quietest and efficient of all cooling fans you can buy, but it provides fans for each Pi for four layers, ensuring your Pi boards will stay cool to perform optimally. Better yet, this DIY item comes with a replacement warranty and money-back guarantee if you are dissatisfied. Eau promises a support response within 24 hours.


One thing to note before concluding. A Raspberry Pi cluster is not combined hardware such as two Raspberry Pi 4 boards with 8GB RAM equaling 16GB with two CPUs. Each Raspberry Pi still has its own IP address and functions the same as before. You still have two different Pi boards in terms of hardware, not one made of two.

An extra hardware IP address comes from the Raspberry Pi rack mount. A Raspberry Pi cluster case provides a new IP address as well. Though they are still the same hardware, they interact more quickly in the same rack than across the network. Creating a cluster, however, requires distributed computing or cluster-managed tasks, such as delegating server roles to each Raspberry Pi board.

Which Raspberry Pi Rack Mount is the best for building clusters?

The best for building clusters IMO is the BitScope Blade because it is supported by BitScope software and BitScope goes beyond the Raspberry Pi into other ARM devices. From the perspective of development, this makes it much easier to move a project from the Raspberry Pi to the next device.

The only issue with more advanced options such as BitScope is it takes much more time to upgrade a product supported by software than a product that is only hardware-based, such as the UCTRONICS, MyElectronics, GeeekPi, or Eau rack mount and cluster cases.

Another brand that proves this is the Turing Pi, which has a great model for Computer Modules 1, 2 and 3, but is currently developing a compact ARM cluster Turing Pi 2 for the Compute Module 4.

No matter what your use case is, my hope was that this article gives you a jump start on which Raspberry Pi rack mount to pick for your project.

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I am a backend dev. I have done tech support for frontend devs. I have also done container development of every kind. I am an avid Linux user. Ask me anything about Linux or GNU open-source software, and I can tell you. I like to tinker and learn through formal education, and also like to learn things on my own. I have two degrees in web development and system administration. I have also done a lot of network admin, and have been a network technician before too. You know, getting on all fours and barking at Ethernet cords like a dog!