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After exploring an incredibly huge number of articles and reviews by our intelligent Artificial Intelligence & Machine Learning systems; and deep processing, evaluation and rectification by our qualified hi-technology experts, the golden shortlist for the Best IO Modules (2021) is finally assembled.

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In order to come up with the Best IO Modules (2021), our brilliant platforms and gurus have taken many elements into account such as product usability, user-friendly features and give buyer satisfaction, freedom from deficiencies or defects, standards conformance, affordability, credibility, user-friendly design, quality conformance to user requirements and good practises, health and safety, actual user satisfaction and numerous others. It is worth to note that each user has different needs so please use the below benchmarking as a guideline and not as a gospel. In any case, in the list below you can absolutely find the overall best ones despite your needs.

Our dynamic platforms and specialized hi-technology gurus work hard to provide you with the best product options. We are positive that our review benchmarking can help you simplify your purchase decision and make a pick among the very Best IO Modules (2021).

Best IO Modules

Best Choice No. 1
Waveshare Raspberry Pi Official Compute Module 4 IO Board A Development Platform and Reference Base-Board Design for CM4
  • The Compute Module 4 IO Board is a companion board for Raspberry Pi Compute Module 4 (supplied separately).
  • It is designed for use both as a development system for Compute Module 4 and as an embedded board integrated into end products.
  • The IO board is designed to allow you to create systems quickly using off-theshelf parts such as HATs and PCIe cards, which might include NVMe, SATA, networking, or USB.
  • The major user connectors are located along one side to make enclosures simple.
  • Compute Module 4 IO Board also provides an excellent way to prototype systems using the Compute Module 4.
Best Choice No. 2
Waveshare Compute Module IO Board Plus Development Composite Breakout Board for Developing with Raspberry Pi CM3 CM3L Various Common Use Components
  • The Compute Module IO Board Plus is a development board which you can plug a Raspberry Pi Compute Module into, and make use of the resources of Pi more flexibly. It is compatible with the Compute Module IO Board V3 from the Raspberry Pi Foundation, along with various common use components.
  • Compatible with the Compute Module IO Board V3 from the Raspberry Pi Foundation Raspberry Pi GPIO header, for connecting sorts of Raspberry Pi HATs
  • connectivity, also supports shields 1-WIRE interface, for connecting single-bus devices like DS18B20 4x keys, 4x LEDs, 1x Buzzer, for I/O testing
  • Onboard USB HUB, allows connecting more USB devices IR receiver, IR remote control is available Onboard USB TO UART, for serial debugging Sensor interface
  • 10-bit ADC, 38KSPS, 11-ch (6-ch for interface, 5-ch for sensors) 16-bit DAC, 2-ch Onboard RTC, one of the most common and useful functions
Best Choice No. 3
XYGStudy Compute Module IO Board with PoE (Power Over Ethernet) Feature Development Board for Raspberry Pi CM3 / CM3L / CM3+ / CM3+L and HAT with Ethernet Port and Cooling Fan Interface
  • Part Number: Compute Module PoE Board
  • Compute Module IO Board with PoE Feature, Composite Breakout Board for Developing with Raspberry Pi CM3 / CM3L / CM3+ / CM3+L
  • The Compute Module PoE Board is a development board which you can plug a Raspberry Pi Compute Module into, and make use of the resources of Pi more flexibly. With the PoE (Power over Ethernet) feature, and versatile onboard peripheral interfaces, it is suitable for evaluating the Raspberry Pi compute module, also is an ideal choice for end products.
  • Raspberry Pi GPIO header, for connecting sorts of Raspberry Pi HATs
  • 10/100M auto-negotiation Ethernet port, with PoE enabled
SaleBest Choice No. 4
Intel Gigabit Quad Port I350-AE I/O Module Network Adapter AXX4P1GBPWLIOM
  • Ports Qty: 4 ports
  • Data Link Protocol: GigE
  • Data Transfer Rate: 1 Gbps
Best Choice No. 5
Waveshare Compute Module IO Board with PoE Feature Composite Breakout Board for Developing with Raspberry Pi CM3 / CM3L / CM3+ / CM3+L
  • The Compute Module PoE Board is a development board which you can plug a Raspberry Pi Compute Module into, and make use of the resources of Pi more flexibly. With the PoE (Power over Ethernet) feature, and versatile onboard peripheral interfaces, it is suitable for evaluating the Raspberry Pi compute module, also is an ideal choice for end products.
  • Raspberry Pi GPIO header, for connecting sorts of Raspberry Pi HATs 10/100M auto-negotiation Ethernet port, with PoE enabled 4x USB ports, allows connecting more USB devices 2x CSI camera interfaces Onboard HDMI / DSI interfaces for connecting displays
  • Onboard USB TO UART, for serial debugging Cooling fan interface, auto run on power up OR controlled by IO pins Adopts isolated SMPS (Switching Mode Power Supply)
  • Power supply: micro USB port / PoE Ethernet port PoE power input: 37V ~ 57V DC in PoE power output: 5V 2.5A DC out
  • Network standard: 802.3af PoE standard Dimensions: 114mm × 84.4mm Mounting hole size: 3.2mm
Best Choice No. 6
TOP1 Raspberry Pi Compute Module 4 IO Board A Development Platform and Reference Base-Board for All Versions of Compute Module 4
  • Compute Module 4 IO Board is a base board officially released by Raspberry Pi that can be used with Raspberry Pi Compute Module 4.
  • Can be used as a development system for Compute Module 4 and integrated into end products as an embedded circuit board
  • You can use off-the-shelf components (such as Raspberry Pi expansion board and PCIe module) to quickly create a system
  • Applies to all versions of Compute Module 4
  • Real-time clock, dual MIPI DSI display interface, dual MIPI CSI camera interface, USB interface, SD card slot, Gigabit Ethernet interface
Best Choice No. 7
Waveshare Raspberry Pi Compute Module 4 IO Board with PoE Feature Suitablr for All Variants of CM4
  • Suitable For Evaluating The Raspberry Pi CM4 Or Being Integrated Into End Products
  • Standard CM4 Socket And Color-Coded Raspberry Pi 40PIN GPIO Header. Suitable For All Variants Of Compute Module 4
  • Onboard Connectors Including CSI/DSI/RTC/HDMI/USB/ETH/TF Card
  • Suitable For PoE Powered Raspberry Pi Projects, Or Other Industrial Context
Best Choice No. 8
Waveshare Raspberry Pi Compute Module 3+/32GB Development Kit Type B CM3+ IO Board 7inch HDMI LCD (C) DS18B20 IR Remote Controller
  • Compute Module 3+/32GB: Raspberry Pi 3 Model B+ industrial version, the Pi in a flexible form factor, with 32GB eMMC Flash
  • Compared to CM1, the CM3+ supports more OS, like Windows 10 (the free IOT-specific version from Microsoft)
  • Compute Module IO Board Plus: Extend kinds of interfaces from CM3+, such as USB, HDMI, just like the regular Pi, to help evaluating
  • Compatible with the Compute Module IO Board V3 from the Raspberry Pi Foundation
  • 7inch HDMI LCD (C): The high resolution touch screen LCD, provides an easy way to achieve Human-Machine-Interaction
Best Choice No. 9
Aideepen 2PCS ESP8266 ESP-12F Remote WiFi Serial Port Module+ IO Adapter Plate Expansion Development Board for Arduino
  • There are 2PCS ESP8266 ESP-12F WIFI serial module and 2PCS IO adapter plate in the parcel
  • 【ESP8266 ESP-12F WiFi Serial Module】Built-board PCB antenna, 4M bytes Flash; Wireless standards: 802.11 b / g / n; Frequency range: 2.4GHz-2.5GHz (2400M-2483.5M)
  • 【IO Adapter Plate Board】 This adapter plate is for ESP-07 ESP-08 ESP-12, a test board with IO lead out
  • Easy to use: This is a combined products,it’s very convenient to operate(Need to solder 3V regulator by youself )
  • ESP8266-12F is an enhanced version ESP8266-12, improving the external circuit, enhanced impedance signal output is better, whether it is stable or anti-jamming capability , have been greatly improved
Best Choice No. 10
Waveshare Metal Box (A) Designed for Raspberry Pi Compute Module 4 IO Board Comes with Cooling Fan Mini Computer Chassis Robust and Dust-Proof Nice Looking
  • Designed For Raspberry Pi Compute Module 4 IO Board. Mini Computer Chassis, Robust And Dust-Proof, Nice Looking
  • Make It Easy To Build Your Own Raspberry Pi CM4 Mini PC
  • Each Cut-Out Is Completely Aligned With The Connector
  • Comes With Cooling Fan, Combined With The Airflow Vent, Better Heat Dissipation
  • Binocular Vision, PoE Powered Raspberry Pi Projects, Or Other Industrial Context

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