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Raspberry Pi 5 PCIe TO M.2 HAT+ NVMe SSD Expansion Board (Waveshare)

Raspberry Pi 5 PCIe TO M.2 HAT+ NVMe SSD Expansion Board (Waveshare)

The PCIe to M.2 M-Key HAT+ for Raspberry Pi 5 is a high-speed NVMe SSD expansion board that allows the Raspberry Pi 5 to connect directly to M.2 2230 and 2242 NVMe solid-state drives through its native PCIe interface. Supporting both PCIe Gen2 and Gen3 x1 modes, the adapter significantly improves storage performance compared to microSD cards, making it ideal for operating system boot drives, databases, media servers, AI applications, and high-speed data logging. The HAT+ design includes an onboard EEPROM for automatic hardware identification, status LEDs, an INA219 power monitoring chip, and an optimized airflow opening to improve SSD cooling when used with Raspberry Pi 5 active coolers.

Package Includes

  • 1 × PCIe to M.2 M-Key HAT+ for Raspberry Pi 5
  • 1 × PCIe FFC Ribbon Cable
  • 1 × Mounting Hardware Kit (Standoffs & Screws)

Note: Raspberry Pi 5 and M.2 NVMe SSD are not included.

HAT PCIe TO M.2 HAT
95.00 AED 95.00 AED (Tax included)

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Features

  • Designed exclusively for Raspberry Pi 5.
  • Supports M-Key NVMe SSDs.
  • Compatible with 2230 and 2242 M.2 SSD form factors.
  • Supports PCIe Gen2 and PCIe Gen3 x1 operation.
  • Supports Raspberry Pi OS booting from NVMe SSD.
  • HAT+ compliant design with onboard EEPROM.
  • Integrated INA219 voltage and current monitoring.
  • Power and activity status LEDs.
  • Reserved airflow opening for Raspberry Pi 5 cooling fan.
  • Compact low-profile design.
  • Ideal for high-speed storage and operating system installation.

Principle of Operation

The adapter connects directly to the Raspberry Pi 5 PCIe connector through the supplied flat-flex cable. It converts the Raspberry Pi's PCI Express Gen2/Gen3 x1 interface into a standard M.2 M-Key NVMe socket, allowing high-speed SSD communication using the NVMe protocol.

PCIe TO M.2 HAT+, reserved airflow vent for cooling fan

The onboard EEPROM enables automatic HAT+ identification by Raspberry Pi OS, while the INA219 power monitor continuously measures the SSD's input voltage and current over the I²C bus. Status LEDs indicate power and SSD activity, and the open-air PCB layout improves airflow to reduce SSD operating temperatures during continuous read/write operations.

Applications

  • Booting Raspberry Pi OS from NVMe SSD
  • Media servers
  • NAS storage projects
  • Database servers
  • AI and machine learning projects
  • Video recording systems
  • Industrial data logging
  • Home automation servers
  • Edge computing
  • High-speed file storage

Pinout on Board

PCIe TO M.2 HAT+, outline dimensions

Interface Function
PCIe FFC Connector Connects to Raspberry Pi 5 PCIe Interface
M.2 M-Key Socket 2230 / 2242 NVMe SSD
EEPROM HAT+ Auto Detection
INA219 I²C Voltage & Current Monitoring
PWR LED Power Indicator
ACT LED SSD Read/Write Activity Indicator

Wiring

The HAT connects directly to the Raspberry Pi 5 PCIe connector using the supplied flat-flex ribbon cable. Install the NVMe SSD into the M.2 socket, secure it using the mounting screw, then connect the ribbon cable while ensuring the correct orientation.

PCIe TO M.2 HAT+, connecting to PI5 via 16PIN cable

Connection Description
PCIe Ribbon Cable Raspberry Pi 5 PCIe Connector ↔ HAT
M.2 Slot Install 2230 or 2242 NVMe SSD
INA219 Accessible through I²C (Default Address: 0x40)
  • Assembly and usage tutorial:

Software Configuration

To enable PCIe on Raspberry Pi 5, edit:

/boot/firmware/config.txt

Enable PCIe:

dtparam=pciex1

Enable PCIe Gen3 (Optional):

dtparam=pciex1_gen=3

Reboot the Raspberry Pi after saving the file.

Library Needed

  • No library required for NVMe storage operation.
  • Python INA219 Library (optional, for power monitoring).

Example Code

The onboard INA219 can be monitored using Python:

wget https://files.waveshare.com/wiki/PCIe-TO-M.2-HAT+/PCIe_TO_M.2_HAT+.zip unzip
PCIe_TO_M.2_HAT+.zip
cd PCIe_TO_M.2_HAT+
sudo python3 INA219.py

Specifications

Product Type PCIe to M.2 NVMe HAT+
Compatible Board Raspberry Pi 5
Storage Interface M.2 M-Key NVMe
Supported SSD Sizes 2230, 2242
Supported Protocol NVMe
PCIe Interface PCIe Gen2 x1 / Gen3 x1
Boot Support Raspberry Pi 5 NVMe Boot
EEPROM HAT+ Compliant
Power Monitoring INA219 (I²C)
I²C Address 0x40 (Default)
Status Indicators PWR LED, ACT LED
Cooling Feature Reserved Airflow Vent

Resources