Note: From February 2023 onwards, the Metal Case only option comes with Metal Case and Cooling Fan only.

Note: This page offers a few options for Mini Base (A) Board and a few metal case kits. Please choose the preferred option:

CM4W216 + Mini Base (A) + PSU	CM4W48 + Mini Base (A) + PSU	Mini Base (A) Board ONLY	Metal Case with Cooling Fan

Metal Case for Mini Base (A) Board

Make It Easy To Build Your Own Raspberry Pi CM4 Mini PC

This metal case is meant for you to build your own Raspberry Pi CM4 Mini PC with a cooling fan, external antenna mounting, and good protection.

Mini Base (A) Carrier Board for Raspberry Pi CM4

Rich Peripheral Connectors Opening and Cooling

With the Mini Base Board (A) onboard rich connectors:

• 2 x CSI
• 1 x DSI
• 1 x FAN Connector
• 1 x Full-size HDMI
• 2 x USB 2.0 port
• 1 x RJ45 Gigabit Ethernet
• 1 x Micro SD Card Slot
• 1 x M.2 Slot (NVMe)

Note: Only support NVME SSD M.2 Key M, 2230, and 2242, this board DOES NOT support M.2 SATA III SSD.

1. CM4 socket:
   1. suitable for all variants of Compute Module 4
2. Power input/Programming:
   1. 5V/2.5A power supply, or used for eMMC burning
3. DISP:
   1. MIPI DSI display port
4. FAN:
   1. For connecting the cooling fan, only support 5VDC fan, no speed control
5. CAM
   1. 2 x MIPI CSI camera ports
6. HDMI0 connector:
   1. HDMI0 port supports up to 4K 30fps output
7. USB 2.0 ports:
   1. 2 x USB 2.0 ports, for connecting sorts of USB devices
   2. USB2.0 is closed by default, if you need to open it, you need to add dtoverlay=dwc2,dr_mode=host
8. Gigabit Ethernet connector
   1. Gigabit Ethernet RJ45 connector, with 10 / 100 / 1000M network support
9. M.2 indicator:
   1. Indicating the operating status of M.2 interface
10. ACT indicator:
    1. Indicating the operating status of Raspberry Pi
11. PWR indicator:
    1. Indicating the status of the Raspberry Pi power supply
12. BOOT selection:
    1. ON: CM4 would be booted from the USB-C interface
    2. OFF: CM4 would be booted from eMMC or Micro SD card
13. 40PIN GPIO header:
    1. Raspberry Pi Standard 40-pin GPIO, in color-coded headers
14. Micro SD card slot:
    1. For connecting a Micro SD card with a pre-burnt image (Lite variant ONLY)
15. HDMI1 FFC connector:
    1. HDMI1 port supports 4K 30fps output
    2. Requires another adapter board (optional)
16. USB 2.0 FFC connector:
    1. Can be connected through an adapter
    2. Requires another adapter board (optional)
17. FE1.1S
    1. USB HUB chip, expanding one USB port to 4x ports
18. M.2 slot:
    1. supports sorts of NVME SSD, or communication modules with PCIe M.2 KEY-M interface
    2. NVME SSD 2230 and 2242 ONLY
    3. Not Compatible with SATA M.2 SSD

Note: We have tested the Mini Base (A) with MakerDisk NVMe 2242 SSD, works perfectly.

Precise Cut-Outs with Clear Labels

Each Cut-Out Is Completely Aligned With The Connector!

Cooling Fan

Comes with a cooling fan, combined with the airflow vent, for better heat dissipation.

Note: External Antenna is NOT included, please get it separately if you need it.

Wall Mount Support

Wall Mount Holes On Two Sides, Handy For Mounting.

Note: External Antenna is NOT included, please get it separately if you need it.

Application Examples:

Binocular Vision Raspberry Pi Projects, Or Other Industrial Context

Note: For reference only, the display, and cameras are NOT included.

• Mini Base (A) Board Raspberry Pi CM4:
  • Model: A
  • Suitable for all variants of Compute Module 4, Wireless, Non-wireless, with eMMC, without eMMC
  • NETWORKING: Gigabit Ethernet RJ45 connector
  • M.2: M KEY, supports communication modules or NVME SSD
  • CONNECTOR: Raspberry Pi 40-pin GPIO header
  • USB: USB 2.0 Type A × 2, USB 2.0 via FFC connector × 2
  • DISPLAY: MIPI DSI display port (15pin 1.0mm FPC connector)
  • CAMERA: MIPI CSI-2 camera port × 2 (15pin 1.0mm FPC connector)
  • VIDEO: HDMI port × 2 (including one port via FFC connector), supports 4K 30fps output
  • RTC: N/A
  • STORAGE: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants
  • FAN HEADER: no fan control, 5V
  • POWER INPUT: 5V, via USB-C receptor
  • DIMENSIONS: 85 × 56mm

• Metal Case for Mini Base (A) Board:
  • Metal Case designed to protect Raspberry Pi Compute Module 4 and the Mini Base Board (A)
  • Precise cutting with clear labeling  for each and every peripheral port
  • Comes with a cooling fan to ensure heat dissipation for CM4
  • Extra antenna mounting hole for the external antenna which improves wireless connectivity
  • Wall-mount ready
  • Outline Dimensions:

• 1 x CM4 Wireless, 2GB RAM, 16GB eMMC with Mini Base Board Kit
  • 1 x Raspberry Pi Compute Module 4, Wireless, onboard 2GB RAM and 16GB eMMC
  • 1 x Raspberry Pi Compute Module 4 Mini Base Board
  • 1 x 17.5W 5V 3.5A USB-C Universal Power Adapter - UK-EU-US Plug
  • 1 x USB C cable

• 1 x CM4 Wireless, 4GB RAM, 8GB eMMC with Mini Base Board Kit
  • 1 x Raspberry Pi Compute Module 4, Wireless, onboard 4GB RAM and 8GB eMMC
  • 1 x Raspberry Pi Compute Module 4 Mini Base (A) Board
  • 1 x 17.5W 5V 3.5A USB-C Universal Power Adapter - UK-EU-US Plug
  • 1 x MakerDisk 32GB microSD card with pre-loaded Raspberry Pi OS
  • FREE:
    • USB 2.0 MicroSD Card Reader/Writer

• Mini Base (A) Board for CM4:
  • 1 x CM4 Mini Base (A) Board

• Metal Case and Cooling Fan for and Mini Base (A) Board:
  • 1 x Metal Case
  • 1 x Cooling Fan
  • 1 x Pair of Wall Mount Bracket
  • 1 x Small Philip Head Screwdriver

• CM4 Mini Base Board (A) Wiki Page by Waveshare
• Compute Module 4 Product Brief
• Compute Module 4 datasheet
• Compute Module 4 STEP file
• Compute Module 4 Lite (without eMMC) STEP file
• BCM2711 (Processor SoC) Peripherals
• Raspberry Pi Getting Started by raspberrypi.org