# Raspberry Pi 4 Model B

> What are the Raspberry Pi 4 board dimensions and mounting-hole positions?

- Category: Electronics › Single-board computers · 2019
- Kind: Modern device
- Basis: published mechanical drawing
- Page: https://xemstudio.com/objects/raspberry-pi-4-b/ · JSON: https://xemstudio.com/api/geometry?object=raspberry-pi-4-b · Plain text: https://xemstudio.com/objects/raspberry-pi-4-b/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses

## Overall (mm)

| length | width |
|---|---|
| 85 | 56 |

Mounting holes: 4 × Ø2.7 mm, pattern 58 x 49, 3.5 from each edge mm, M2.5

## Notes

- Same 58 × 49 mm hole pattern as Pi 2/3/5; port layout differs from Pi 5 (USB-C power and two micro-HDMI on the long edge, USB/Ethernet on the short edge).
- Official STEP and PDF drawing available.

## Where the files are

- Raspberry Pi Ltd (official): [Raspberry Pi 4 mechanical drawing (PDF)](https://datasheets.raspberrypi.com/rpi4/raspberry-pi-4-mechanical-drawing.pdf) — PDF — CC BY-SA 4.0 (Raspberry Pi documentation) (verify at link)
- Raspberry Pi Ltd (official): [Raspberry Pi documentation: drawings and STEP](https://www.raspberrypi.com/documentation/computers/raspberry-pi.html) — PDF, STEP — CC BY-SA 4.0 (Raspberry Pi documentation) (verify at link)

## Questions

**What are the Raspberry Pi 4 Model B dimensions in mm?**

85 × 56 mm (length × width × height). Same 58 × 49 mm hole pattern as Pi 2/3/5; port layout differs from Pi 5 (USB-C power and two micro-HDMI on the long edge, USB/Ethernet on the short edge).

**What is the Raspberry Pi 4 Model B mounting hole pattern?**

4 × Ø2.7 mm on a 58 x 49, 3.5 from each edge mm pattern, M2.5 screws.

**Where is the official CAD for the Raspberry Pi 4 Model B?**

Raspberry Pi Ltd (official): Raspberry Pi 4 mechanical drawing (PDF) (PDF, CC BY-SA 4.0 (Raspberry Pi documentation)). Linked from the sheet; Xem Studio does not rehost it.

## Fits with

- [Threaded standoffs, M2.5 and M3 (hex and round)](https://xemstudio.com/objects/threaded-standoffs-metric/)
- [40 mm axial fan](https://xemstudio.com/objects/40mm-fan/)
- [Raspberry Pi Camera Module 3](https://xemstudio.com/objects/raspberry-pi-camera-module-3/)
- [Raspberry Pi 5](https://xemstudio.com/objects/raspberry-pi-5/)
