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4 Raspberry Pi accessories
4.2 Other Raspberry Pi accessories 4.2
There are other accessories a user needs to start a project:
• Raspberry Pi power supply (a 5V 3A USB-C PS for Raspberry Pi
4, and a 5.1V, 5A; 9V, 3A; 12V, 2.25A; 15V, 1.8A (power delivery) PS
for Raspberry Pi 5). For older models (Raspberry Pi 3, Zero 2W)
a 12.5W (5.1V/2.5A) microUSB PS is needed. There is also a PS for
Build HAT (48W, 8V, 6A), which powers both Raspberry Pi (not Pi
400) and connected LEGO® Technic™ devices
• Micro HDMI® to HDMI® cable
• Mini HDMI male to HDMI female adapter
• Mini HDMI male to HDMI female cable
• USB A/male to micro USB/male cable
• USB micro-B to USB-C adapter
• Various Raspberry Pi cases, with or without fans
• Raspberry Pi active cooler (for Raspberry Pi 5)
• Raspberry Pi RTC battery (for Raspberry Pi 5)
• Raspberry Pi debug probe (for debugging).
4.3 Raspberry Pi for embedded applications and industrial
applications 4.3
Raspberry Pi 4 in a smaller form factor is named Raspberry Pi Com-
pute Module 4. It is suitable for integration into products (specifica-
tions are available here: cm4-product-brief.pdf). The Compute Mod-
ule 4 is available in 32 variants with different options (in terms of RAM
size and eMMC flash sizes). A development platform for the Compute
Module 4 is Compute Module 4 IO Board (see here: Compute Module
4 IO Board). For industrial customers there is Compute Module 4S,
which is intended for those migrating from Compute Module 3 or 3+.
For previous models of Compute Module please go to the bottom of
this page: https://www.raspberrypi.com/products/.
The Raspberry Pi Compute Module 4 plugs into a compatible carrier
board (e.g. a Compute Module 4 IO Board). The Raspberry Pi Compute
Module 4 IO Board is designed to allow connecting NVMe, SATA, net-
working, or USB cards with all important connectors on one side of
the board. There are many alternative carrier boards to the official IO
Board: Retro GPi CASE 2 (a GameBoy-inspired gaming handheld con-
sole built around the CM4), PiCam Module (a compact board to mount
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