Raspberry Pi 3 Model B - SBC Raspberry Pi3 B, BCM2837, 1GB RAM

Raspberry Pi 3 Model B - Powered by Broadcom BCM2837

The Raspberry Pi 3 Model B is the third-generation flagship single-board computer from Raspberry Pi, delivering a significant performance boost over its predecessors. Built around the Broadcom BCM2837 quad-core 64-bit ARM Cortex-A53 CPU clocked at 1.2GHz, it is the first Pi to feature on-board Wi-Fi and Bluetooth - making it a complete, self-contained platform for IoT, education, automation, and embedded computing projects.

With 1GB of RAM, a VideoCore IV GPU, 4x USB 2.0 ports, full-size HDMI, and the standard 40-pin GPIO header, the Raspberry Pi 3 Model B remains one of the most widely supported single-board computers in the world, backed by an extensive ecosystem of HATs, accessories, and community resources.

Key Specifications

• SoC: Broadcom BCM2837, 1.2GHz quad-core 64-bit ARM Cortex-A53
• GPU: VideoCore IV - OpenGL ES 2.0, hardware H.264 decode at 1080p60
• RAM: 1GB LPDDR2
• Display: Full-size HDMI (1080p30)
• USB: 4x USB 2.0 ports
• Networking: 10/100 Mbps Ethernet, 802.11n Wi-Fi (2.4GHz)
• Bluetooth: Bluetooth 4.1 / BLE (BCM43438)
• Storage: microSD card slot
• Camera / Display: CSI camera interface, DSI display interface
• GPIO: Standard Raspberry Pi 40-pin header
• Audio: 3.5mm audio jack (composite video + audio)
• Power: 5V/2.5A via microUSB or GPIO
• Product Range: Raspberry Pi 3 Model B

Why Choose the Raspberry Pi 3 Model B?

• First Raspberry Pi with built-in Wi-Fi and Bluetooth - no dongles needed
• 64-bit quad-core CPU - up to 10x faster than original Raspberry Pi
• Massive global community and ecosystem - thousands of projects, HATs, and tutorials
• 4x USB 2.0 ports for keyboards, mice, drives, and more
• Pin-compatible with all Raspberry Pi HATs and most accessories
• Proven reliability - ideal for long-running embedded and IoT deployments

Ideal For

STEM education, home automation, retro gaming emulation, media centre (Kodi/LibreELEC), IoT gateways, robotics, network-attached storage, Minecraft server, classroom computing, and beginner-to-advanced maker projects.

Note: microSD card with operating system not included. Recommended OS: Raspberry Pi OS (32-bit, Bookworm or Bullseye). Requires 5V/2.5A microUSB power supply. Cooling recommended for sustained CPU-intensive workloads.

Frequently Asked Questions

Q1: What is the difference between Raspberry Pi 3 Model B and Model B+?

The Model B+ (released 2018) is an upgraded version with a faster 1.4GHz BCM2837B0 CPU, dual-band 802.11ac Wi-Fi, Gigabit Ethernet (USB-limited to ~300Mbps), and better thermal management. The Model B uses a 1.2GHz BCM2837 with single-band 802.11n Wi-Fi and 100Mbps Ethernet. For new projects, the B+ or Pi 4 is generally recommended.

Q2: Can the Raspberry Pi 3 Model B run a desktop OS?

Yes. It runs Raspberry Pi OS (formerly Raspbian) in both desktop and lite (headless) modes. It can also run Ubuntu Server, Kali Linux, RetroPie, LibreELEC, and many other ARM-compatible Linux distributions.

Q3: What power supply does the Raspberry Pi 3 Model B need?

It requires a 5V/2.5A microUSB power supply. Using an underpowered supply (below 2A) can cause instability, rainbow square warnings, and unexpected shutdowns - especially when USB peripherals are connected.

Q4: Does the Raspberry Pi 3 Model B need a heatsink or fan?

For light use (web browsing, coding, basic IoT), passive cooling is generally sufficient. For sustained CPU-intensive tasks like video encoding or gaming emulation, a heatsink or small fan is recommended to prevent thermal throttling.

Q5: Is the Raspberry Pi 3 Model B still worth buying in 2025?

Absolutely - for budget-conscious projects, classroom use, headless IoT deployments, and applications that don't require heavy processing, the Pi 3B remains an excellent, cost-effective choice. Its massive software ecosystem, GPIO compatibility, and proven stability make it a reliable workhorse for embedded systems.

Frequently Asked Questions

Buy Raspberry Pi 3 Model B - SBC Raspberry Pi3 B, BCM2837, 1GB RAM Online in India

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