Raspberry Pi Compute Module 5 Lite - 2GB RAM

Specifications

• Processor: Broadcom BCM2712 Quad-core Arm Cortex-A76 @ 2.4GHz
• RAM: 2GB LPDDR4X-4267 SDRAM
• Storage: Lite Version (None) – Requires external eMMC, SD, or NVMe via carrier board interface.
• Connectivity: Optional External Antenna support (requires kit).
• Video: Dual 4Kp60 HDMI display output support.
• Bluetooth Connectivity: Bluetooth 5.0, BLE
• Interface: Single-lane PCIe 2.0 interface (supports high-speed peripherals).
• Form Factor: 55mm × 40mm (Compatible with CM4 carrier boards with mechanical checks).
• Operating Temp: -20°C to +85°C (Industrial Grade).

Applications

• Industrial Automation: High-speed PLC replacements and robotic arm controllers.
• Edge AI Vision: Real-time object detection using the enhanced VideoCore VII GPU.
• Digital Signage: Driving dual 4K displays for advertising kiosks.
• Network Appliances: Custom routers or NAS devices utilizing the PCIe interface.
• Portable Medical Devices: High-performance computing in handheld diagnostic tools.

Project Evolution

      From Prototype to Production

• Prerequisites: You should be comfortable with the Raspberry Pi 4 or CM4. Experience with designing or using custom Carrier Boards (PCBs) is highly recommended.
• The Upgrade: Moving to the CM5 unlocks PCIe 2.0 speeds and significant CPU headroom. This allows you to run heavy workloads like Docker containers or real-time computer vision that would choke a standard Pi 4.
• Effort Level: Advanced. Requires a carrier board (IO Board) to boot and operate.
• Hardware Check: You MUST have a CM5-compatible IO Board or a CM4 IO Board (check mechanical fit) and a cooling solution (heatsink/fan) as the BCM2712 runs hotter than previous generations.

Virtual Technician & Wiring Guide

• ⚠️ Heat Warning: The CM5 is dense! The BCM2712 generates significant heat. Passive cooling is rarely sufficient for heavy loads. You must use a dedicated active cooler or a large heatsink bonded to the SoC.
• ⚠️ Connector Fragility: The dual 100-pin mezzanine connectors are rated for a limited number of mating cycles (typically <50). Align carefully before pressing down to avoid bending pins on the carrier.
• ⚠️ Boot Media: Since this is the Lite version, the device will NOT boot without an SD card or NVMe drive attached to the carrier board. Ensure your carrier board supports booting from your chosen medium.

Package Includes:

• 1x Raspberry Pi Compute Module 5 Lite - 2GB RAM

Frequently Asked Questions (FAQ)

• Does the CM5 Lite have any internal storage?
  No, the Lite version has no eMMC. You must use an external SD card or NVMe SSD via the carrier board.
• Is the CM5 pin-compatible with the CM4?
  Electrically, yes, they are largely compatible. However, the mechanical height and component placement differ slightly.
• Can I use my old CM4 IO Board with the CM5?
  Yes, most CM4 IO boards work, but check for physical clearance around the processor and mounting holes.
• What power supply do I need for the CM5?
  A 5V/5A (27W) USB-C power supply is recommended for the carrier board to ensure full performance.
• Does this 2GB model support dual 4K displays?
  Yes, the 2GB RAM is sufficient for driving dual 4Kp60 displays for signage applications.
• Can I add an external WiFi antenna to this module?
  No, this specific listing is for the non-wireless version (or check specific SKU variant). If wireless is present, an antenna kit is needed.
• How do I flash an OS onto the CM5 Lite?
  You don't "flash" the module itself. You flash your SD card or NVMe drive using Raspberry Pi Imager on a PC, then insert it into the carrier.
• Is a heatsink mandatory?
  Yes, for any sustained load, an active cooler or high-quality heatsink is mandatory to prevent thermal throttling.
• What is the PCIe speed on the CM5?
  The CM5 exposes a PCIe 2.0 x1 lane, capable of roughly 500MB/s throughput.
• Can I use this for AI applications?
  Yes, the Cortex-A76 and VideoCore VII GPU offer decent inference performance for lightweight models (TFLite).
• Does it support NVMe boot?
  Yes, provided your carrier board and the Raspberry Pi bootloader configuration are set up correctly.
• What is the mating connector for a custom PCB?
  You need two 100-pin DF40 type connectors on your carrier board.
• Is the RAM upgradeable?
  No, the 2GB LPDDR4X RAM is soldered directly to the module and cannot be upgraded.
• Does it support 64-bit OS?
  Yes, the BCM2712 is a 64-bit Armv8-A architecture and runs Raspberry Pi OS (64-bit) natively.
• What is the maximum operating temperature?
  The industrial rating allows operation from -20°C to +85°C, assuming adequate thermal management.
• Can I use GPIO pins directly?
  No, GPIO pins are routed through the high-density connectors. You need a breakout or carrier board to access them.
• Does this version include the RTC battery?
  No, the RTC battery connects to the carrier board, not the module itself.
• Why is this more expensive than the consumer Raspberry Pi 5?
  The Compute Module form factor is specialized for industrial integration, availability guarantees, and higher manufacturing tolerances.
• Does it work with the Raspberry Pi Camera Module 3?
  Yes, via the CSI interfaces provided on your carrier board.
• Is this product suitable for a beginner?
  No, we recommend the standard Raspberry Pi 5 Model B for beginners. The CM5 requires custom hardware integration.