Raspberry Pi 4 Model B 4GB single board computer
$82.35
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The Raspberry Pi 4 Model B is a powerful single-board computer built around a Broadcom BCM2711 quad-core ARM Cortex-A72 processor running at 1.5GHz with 64-bit architecture. You get 4GB of LPDDR4 RAM, which handles multitasking smoothly for development projects, media centers, or retro gaming setups. The board includes dual Gigabit Ethernet ports along with 2.4GHz and 5.0GHz dual-band WiFi and Bluetooth 5.0 for flexible networking options.
Connectivity is extensive with two USB 3.0 ports and two USB 2.0 ports for peripherals. Video output comes via dual micro-HDMI ports supporting resolutions up to 4Kp60, making this a legitimate desktop replacement for light computing tasks. The board also features MIPI DSI and CSI connectors for attaching compatible displays and cameras, plus a 3.5mm audio jack and composite video output. Storage runs off a microSD card slot where you'll install your operating system and load your files.
Power requirements are straightforward: 5.1V at 3A via USB Type-C, though you can alternatively use Power over Ethernet (PoE) if you add a compatible PoE HAT separately. The Pi 4 maintains backward compatibility with the Pi 3 generation while delivering noticeable jumps in processing speed and connectivity. Whether you're building a home automation hub, learning embedded systems programming, or running a lightweight Linux desktop, this board delivers genuine performance improvements over previous generations at a reasonable price point.
Raspberry Pi 4 Model B 4GB single board computer
$82.35