Raspberry Pi 4 Model B¶
Quad-core Cortex-A72 @ 1.8 GHz with 2 / 4 / 8 GB RAM, dual 4K HDMI, gigabit Ethernet, and USB 3.0. Still the workhorse Pi for general-purpose Linux projects.
In stock
Pi Foundation
3 files · 1.3 MB
Specs¶
| Spec | Value |
|---|---|
| SoC | Broadcom BCM2711 |
| CPU | 4× Cortex-A72 @ 1.8 GHz |
| GPU | VideoCore VI @ 500 MHz |
| RAM | 2 / 4 / 8 GB LPDDR4-3200 |
| Display | 2× micro-HDMI (4K60 on one, 4K30 on both) |
| USB | 2× USB 3.0 + 2× USB 2.0 |
| Network | Gigabit Ethernet + WiFi 5 dual-band + BT 5 |
| GPIO | 40-pin |
| Power | USB-C, 5 V / 3 A |
Power¶
Use the official 15 W USB-C PSU. Many "fast charge" USB-C bricks negotiate the wrong voltage with the Pi 4's USB-C controller — that's a known errata fixed in later board revs.
Schematic¶
Open Pi 4 reduced schematics (PDF)
The Foundation only releases "reduced" schematics (no Broadcom IP) — that's enough for HAT/GPIO design.
Last updated: 2026-05-13 · Source on GitHub