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Arm confirmed that it completed its acquisition of Treasure Data on August 2, 2018, and presented the company as the final piece of a broader IoT offering called the Arm Pelion IoT Platform. Arm did not disclose a confirmed purchase price; the often-cited $600 million figure remained an unconfirmed report.
What Arm acquired and why
Arm said the Treasure Data acquisition closed on August 2, 2018. It positioned Treasure Data alongside two existing parts of its IoT strategy: Stream connectivity management and Arm Mbed Cloud. Arm’s president of IoT Services Group, Dipesh Patel, called Treasure Data “the final piece of our IoT enablement puzzle.” (Arm, August 2, 2018)
The combined offering was named the Arm Pelion IoT Platform. Arm’s stated ambition was to bring device, network-connectivity, and data management together rather than offer only one layer of an IoT deployment. These were Arm’s descriptions of the intended platform, not independent verification of its performance.
What the Pelion platform was meant to do
Three management functions
- Device management: manage connected devices.
- Connectivity management: manage the connections linking devices and services.
- Data management: handle the data generated by connected devices.
Arm said Pelion was designed to work across varied devices and wireless standards. It also described deployment options spanning public and private cloud, on-premises infrastructure, and hybrid environments. The announcement presented Pelion as a horizontal platform rather than a solution limited to one vertical or vendor-specific environment; that positioning was Arm’s own claim. (Arm, August 2, 2018)
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#1 Best Overall
- Dual-Core Performance Up to 240 MHz: Run sensor processing, wireless communication, automation logic and connected-device tasks on a 32-bit dual-core ESP32 platform designed for responsive embedded and IoT projects
- Built-in Wi-Fi and Bluetooth 4.2: Connect to 2.4 GHz Wi-Fi networks or use Bluetooth Classic and BLE for wireless sensors, smart devices, remote controls, home automation and other connected projects
- Flexible Power-Saving Modes: ESP32 power-management features support dynamic clock scaling and low-power operating modes, helping developers reduce energy use in compatible sensing, monitoring and connected-device applications, suitable for battery-powered Internet of Things (IoT) devices.
- USB-C Programming with CP2102: Connect through USB-C for power, sketch uploads and serial monitoring, while GPIO, UART, SPI and I2C interfaces support sensors, displays, motor drivers and other modules (USB-C cable not included)
- Over-the-Air Update Support: Configure OTA functionality through a compatible ESP-32 software framework to update deployed firmware over Wi-Fi without reconnecting the board by USB for every revision
Scale figures Arm reported in 2018
In its announcement, Arm cited more than 140 partners, more than 300 customers, a capacity of two million events per second, and 50 trillion records per day. These are company-reported figures from 2018, not current metrics or independent measurements. (Arm, August 2, 2018)
Was Treasure Data bought for $600 million?
Arm did not confirm the reported $600 million transaction value. In a contemporaneous account, EE Times quoted Arm chief marketing officer Joyce Kim saying, “I can confirm it’s the largest cash deal we have ever done.” The quote confirms the deal’s relative size in Arm’s history, but it does not establish a dollar amount; $600 million should therefore be treated as an unconfirmed report, not the disclosed final price. (EE Times)
Rank #2
- Certified & Future-Ready: Espressif-certified ESP32-WROOM-32E ensures full hardware compatibility and lifetime firmware support. Upgraded 8MB Flash handles IoT data and OTA updates.
- Dual-Core Speed: 240MHz dual-core processor runs Wi-Fi/BLE and sensors 2x faster. 38 GPIO pins (10 RTC) support SPI/I2C/UART for LCDs, motors, and industrial sensors.
- Plug & Play Dev: USB-C driver pre-installed: upload code instantly on Windows/Mac/Linux. Works with Arduino IDE, MicroPython, and Espressif IDF.
- All-Environment Ready: Run Wi-Fi smart switches (Home Assistant) and BLE tracking on one board. Industrial-grade stability (-40°C~85°C) for outdoor/automated systems.
- Advantages: The ESP32 development board offers high performance, low power consumption, and rich wireless connectivity, making it suitable for developers of all levels, especially beginners.
What happened to Treasure Data and Pelion afterward?
In July 2020, Arm proposed transferring its IoT Platform and Treasure Data businesses to new SoftBank-owned entities. That announcement described a proposal subject to review and closing conditions, not a completed transfer. (Arm, July 2020)
Arm’s later filing records the subsequent outcomes: Treasure Data equity was distributed to Arm shareholders in June 2021, and Pelion IoT was sold to SoftBank subsidiaries in November 2021. Arm classified Treasure Data and IoTP as discontinued operations after their distribution or sale. (Arm filing)
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Rank #3
As a result, the 2018 announcement is historical corporate news; it should not be read as saying Pelion IoT or Treasure Data remains an Arm offering today.
Quick Recap
Best Value
- D1 Mini NodeMCU Type-C ESP32 WLAN WiFi Bluetooth IoT Development Board 5V Compatible for Arduino
- Designed with ultra-low power technology, it offers the full range of performance and features of the ESP32 chip. The pin arrangement provides compatibility with the modules developed for the D1 Mini ESP8266 while also offering fast WLAN, enhanced GPIO, Bluetooth functionality, and with its higher performance, a wider range of applications.
- 100% compatible with Arudino IDE, Lua and Micropython, it shows robustness, versatility, and reliability in a wide variety of applications and power scenarios.
- All I/O pins have interrupt, PWM, I2C and one-wire capability, except the pin DO.
- Designed with ultra-low power technology, it offers the full range of performance and features of the ESP32 chip. The pin arrangement provides compatibility with the modules developed for the D1 Mini ESP8266 while also offering fast WLAN, enhanced GPIO, Bluetooth functionality, and with its higher performance, a wider range of applications.
Rank #4
- 2.4GHz Dual Mode WiFi + Bluetooth Development Board
- Support LWIP protocol, Freertos
- SupportThree Modes: AP, STA, and AP+STA
- Ultra-Low power consumption, Compatible with Arduino IDE
- ESP32 is a safe, reliable, and scalable to a variety of applications
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