Promethean Chromebox 3 Information

The Promethean Chromebox 3 is designed to deliver reliable performance for educational environments, offering a balance of power and efficiency. With an Intel Celeron 7305 processor, 8 GB or 16 GB of RAM, and 256 GB NVMe storage, it provides the necessary resources to handle modern web applications and multitasking seamlessly. The device’s form factor makes it ideal for classroom settings, where durability and ease of use are essential. Its dual HDMI video output ports allow for easy connection to projectors or large displays, enhancing collaboration during lessons.

Equipped with Android and Linux support, the Promethean Chromebox 3 offers flexibility for a wide range of educational software and tools. The inclusion of multiple USB ports, including a USB Type-C port with video output capabilities, ensures compatibility with various peripherals. Its long-term operating system support until June 1^st of 2032 makes it a future-proof choice for schools looking for stable technology solutions. The device’s focus on simplicity and functionality aligns well with the needs of educators and students alike.

System Specifications

Performance Expectations

The Promethean Chromebox 3 is designed for seamless everyday use, particularly in educational environments where reliability and ease of access are key. With its Intel Celeron 7305 processor and 8 GB or 16 GB of RAM, the device handles web browsing, video streaming, and basic productivity tasks with smooth performance. Users can expect quick boot times and responsive interactions when working on documents, managing emails, or participating in online learning platforms. The built-in NVMe storage ensures that file access remains fast, making it an ideal choice for schools and classrooms where multiple users may be accessing the same device throughout the day.

For educators and students, this Chromebox offers a straightforward experience without unnecessary complexity. Its support for both Android and Linux applications opens up a wide range of tools for creative projects, coding exercises, and more. The dual HDMI ports allow for easy setup in shared spaces or during group activities, while the USB 3.0 ports provide flexibility for connecting peripherals like printers or external speakers. Whether you're presenting lessons, collaborating on assignments, or simply browsing the web, this device delivers consistent performance that aligns with modern educational needs without requiring advanced technical skills.

CPU Performance Expectations

The Intel Celeron 7305 processor in this device provides a balanced approach to performance, making it well-suited for everyday tasks such as web browsing, streaming media, and light productivity work. With support for modern web applications and Android apps, users can expect smooth navigation through multiple tabs and seamless playback of videos without significant lag. The CPU’s efficiency ensures that common activities like document editing or spreadsheet manipulation remain responsive, even when running several background processes simultaneously.

For more demanding tasks, such as video conferencing with multiple participants or light photo editing, the Celeron 7305 delivers adequate performance, especially when paired with 8 GB of RAM. While it may not handle intensive multitasking or resource-heavy applications like professional-grade video rendering, it is still capable of running most educational software and online tools efficiently. Users in an educational setting will find that this device supports a wide range of learning platforms and collaboration tools without compromising on the overall user experience.

Storage Performance Expectations

The Promethean Chromebox 3 utilizes a 256 GB NVMe storage solution, which provides fast data access and efficient performance for everyday tasks. This type of storage is known for its reliability and consistent read/write speeds, making it ideal for handling multiple applications and files simultaneously. Users can expect smooth operation when launching web browsers, managing documents, or accessing educational software commonly used in classroom environments. The NVMe drive also supports quick boot times and responsive system performance, ensuring that the device remains snappy even after extended use. For optimal performance, it's recommended to maintain at least 60% free space on the internal storage, which helps prevent slowdowns caused by excessive file fragmentation or heavy usage patterns. Whether you're storing lesson plans, digital textbooks, or multimedia resources, this storage configuration offers a balance of speed and capacity that supports a wide range of educational workflows without compromising on efficiency.

Android Performance Expectations

The Promethean Chromebox 3 is well-suited for running Android applications thanks to its 256 GB NVMe storage and Intel Celeron 7305 processor, which provide sufficient performance for everyday tasks. Users can expect smooth operation when using productivity apps like Google Docs or Sheets, as well as media players that require local storage for offline use. The device’s support for Android applications makes it a practical choice for educational environments where students need to access learning tools and interactive content without relying on an internet connection.

For gaming, the Chromebox 3 may not be ideal for high-end titles due to its modest hardware, but it can handle casual games and lightweight apps with ease. The absence of a touchscreen could limit the experience for certain Android applications that are optimized for touch input, so users should consider whether their primary use cases require this feature. Overall, the device strikes a balance between performance and affordability, making it suitable for basic Android tasks while keeping costs manageable.

Linux Performance Expectations

The Promethean Chromebox 3 is designed with Linux support in mind, making it a solid choice for users who require the ability to run Linux applications alongside ChromeOS. With an Intel Celeron 7305 processor and 8 GB or 16 GB of RAM, this device can handle basic to intermediate Linux workloads such as text editing, command-line tools, and simple scripting tasks. For more demanding applications like lightweight software development environments or media processing, the 16 GB RAM configuration will provide a smoother experience, allowing for better multitasking and improved performance in resource-heavy scenarios. While it does not support GPU-accelerated Linux applications, the integrated graphics should suffice for most standard workflows.

For users engaged in video editing or similar tasks, the Chromebox’s NVMe storage ensures quick access to files and efficient data transfer, which is crucial for maintaining productivity. The inclusion of dual HDMI ports also allows for easy connectivity to external monitors if needed. However, it's important to note that the device lacks Linux GPU support, so performance in graphically intensive applications may be limited. Overall, this Chromebox strikes a balance between functionality and affordability, making it suitable for educational environments where Linux capabilities are essential but high-end graphical processing is not required.

Gaming Performance Expectations

Web-Based Gaming Experience/Web-Game Streaming Services

The Promethean Chromebox 3 delivers a reliable and efficient experience for web-based gaming thanks to its integrated Intel Celeron 7305 processor and dedicated graphics support through its rear ports. While it may not match the performance of higher-end devices, it is capable of running most modern browser-based games smoothly, especially with 8 GB or 16 GB of RAM. The device's ability to handle multiple tabs and background processes ensures a responsive environment for gaming sessions, making it suitable for casual players looking for an easy-to-use setup without the need for high-end hardware.

For users who enjoy more demanding titles, the Chromebox’s performance will depend heavily on the game’s optimization for web browsers. The 256 GB NVMe storage provides quick access to game files and ensures a seamless experience when loading or saving progress. While it may not support advanced graphics features found in native applications, the combination of its hardware and cloud-based gaming services offers a convenient option for those who prefer to play without the hassle of dedicated consoles or PCs. Overall, the device strikes a balance between performance and practicality for everyday use in an educational setting.

Linux Gaming Experience

The Promethean Chromebox 3 offers a solid foundation for Linux gaming, thanks to its support for Linux applications and the inclusion of an Intel Celeron 7305 processor. While it lacks dedicated GPU acceleration for Linux graphics, the device's 256 GB NVMe storage ensures quick application loading and smooth multitasking. With 8 GB or 16 GB of RAM available, users can expect reasonable performance for less demanding games, though more intensive titles may struggle with frame rates and texture quality. The absence of GPU support for Linux applications means that graphical fidelity will be limited, making this device better suited for casual gaming or lightweight simulations rather than high-end titles.

For a seamless experience, the Chromebox's dual HDMI ports allow users to connect external displays, expanding their workspace for game streaming or multi-monitor setups. However, due to its lack of dedicated graphics processing, gamers should always check individual game system requirements before installation. The device's focus on educational use cases means it is optimized for productivity and basic entertainment rather than high-performance gaming. Users seeking a more robust Linux gaming experience may find this Chromebox adequate for simpler titles but will need to manage expectations regarding graphical capabilities and performance levels.

Usage Scenarios

ChromeOS devices are versatile and can be used for a variety of tasks. The sections below provide an overview of the experience you can expect when using the Promethean Chromebox 3 in different scenarios. Your experience may vary based on the specific configuration of your device, the applications you use, and your individual usage patterns.

Media Consumption Experience

The Promethean Chromebox 3 offers a smooth media consumption experience thanks to its 256 GB NVMe storage, which provides ample space for offline content such as videos and music. With support for Android applications, users can easily access popular streaming services without relying on external devices or complicated setups. The device’s ability to run Linux applications also opens up additional options for downloading and playing media files directly from the command line, making it a versatile choice for educational environments. While the screen resolution may not be the highest available, the display quality is sufficient for most video playback needs, especially when paired with high-quality headphones or speakers for an immersive audio experience.

For users looking to enjoy content without interruptions, the Chromebox’s internal storage ensures that media files can be stored locally, reducing dependency on internet connectivity. The absence of a touchscreen doesn’t hinder the overall experience, as most media applications are designed for keyboard and mouse input, which remains efficient and responsive. Additionally, the device’s long-term support until June 1^st of 2032 means users can expect consistent performance and compatibility with newer video formats over time. Whether streaming high-definition content or managing a library of offline media, the Promethean Chromebox 3 delivers a reliable and user-friendly experience tailored for educational settings.

ChromeOS Work Experience

The Promethean Chromebox 3 is designed to deliver a reliable and efficient work experience in an office or professional setting. With an Intel Celeron 7305 processor and up to 16 GB of RAM, it handles modern web applications and multitasking with ease, making it suitable for everyday tasks such as document editing, video conferencing, and accessing cloud-based services. The 256 GB NVMe storage ensures sufficient space for essential files and applications while maintaining smooth performance. For users who rely on Android applications, the device supports a wide range of mobile apps, enhancing its versatility in a work environment.

In terms of usability, the Promethean Chromebox 3 offers a straightforward interface that prioritizes productivity without unnecessary complexity. The inclusion of multiple USB ports and video output options allows for easy connectivity to external peripherals or displays, which is beneficial when working with larger screens or collaborative tools. While it does not support Linux applications with GPU acceleration, its ability to run Linux-based software natively still makes it a valuable tool for certain workloads. For organizations focused on education or basic office tasks, this device provides a solid foundation without the need for more advanced hardware. However, users should be aware that devices past their AUE date may experience reduced performance and limited feature support over time.

ChromeOS Education Experience

The Promethean Chromebox 3 is a powerful tool for education, offering a reliable and efficient platform for students and educators alike. With an Intel Celeron 7305 processor and up to 16 GB of RAM, it handles multitasking smoothly, making it ideal for running web browsers, document editors, and video conferencing tools simultaneously. This makes it perfect for classroom activities where students need to access learning management systems (LMS), collaborate on group projects, or participate in virtual classes without experiencing lag or performance issues. Its 256 GB NVMe storage ensures that users can store a variety of educational resources, applications, and files without worrying about running out of space.

The Chromebox’s versatility extends beyond just processing power; it supports both Android and Linux applications, giving educators and students access to a wide range of tools that cater to different learning styles and needs. Whether it's using interactive educational apps or running lightweight productivity software, the device provides a seamless experience without requiring additional hardware. Its multiple ports, including dual HDMI outputs and a USB Type-C port with video support, allow for easy connectivity to projectors, monitors, or other peripherals commonly used in classroom settings. The absence of external storage options means all data is securely stored internally, which is especially useful for maintaining the integrity of educational content and student work.

General Productivity Experience

The Promethean Chromebox 3 is designed with productivity in mind, offering a balanced blend of performance and features that make it ideal for educational environments. With an Intel Celeron 7305 processor and 8 GB or 16 GB of RAM, this device handles web browsing, document editing, and multitasking efficiently. The 256 GB NVMe storage ensures ample space for apps, files, and media, while the dual HDMI ports allow for easy connection to external displays or projectors—perfect for classroom settings where sharing content is a frequent need. Whether you're working on presentations, managing lesson plans, or collaborating with colleagues, this Chromebox provides a smooth and reliable experience without compromising on essential functions.

The device’s front-facing power button and well-placed ports make it user-friendly, especially in environments where quick access to peripherals is important. The inclusion of Android support means educators can leverage a wide range of educational apps directly from the Google Play Store, while Linux applications offer additional flexibility for more advanced tasks. With its compact form factor and robust connectivity options, the Promethean Chromebox 3 is well-suited for users who prioritize simplicity, reliability, and seamless integration into existing workflows. Whether used as a standalone workstation or part of a larger digital learning ecosystem, this device delivers consistent performance that supports everyday productivity needs effectively.

Developer Experience

Please note that this section is focused on the developer experience using a stock ChromeOS environment, this should not be confused with the ChromeOS Developer Mode which does allow for additional customizations and development tools at the cost of security and stability.

The Promethean Chromebox 3 is a powerful tool for developers looking to work within the ChromeOS ecosystem. With an Intel Celeron 7305 processor, this device provides sufficient performance for code editing and running local servers, though it may not be ideal for resource-intensive tasks like compiling large applications or working with complex development environments that require high-end hardware. The inclusion of Linux support means users can run popular tools such as git, node.js, Python, and Visual Studio Code without any issues, making it a versatile platform for those who prefer to work within the ChromeOS environment. This makes the device an excellent choice for developers who rely on cloud-based IDEs or wish to leverage the native capabilities of Linux applications.

The 8 GB or 16 GB RAM options ensure that modern web applications and multitasking run smoothly, allowing developers to keep multiple tabs open while working on projects without experiencing lag. The 256 GB NVMe storage provides ample space for development files, project repositories, and virtual machines, though users should be mindful of the limited internal storage and avoid relying on external media for critical tasks. While the device lacks a touchscreen, its robust port selection—including dual HDMI outputs and USB 3.0 ports—makes it easy to connect peripherals or external displays, enhancing the overall development experience. For developers who prioritize cloud-based workflows, the Chromebox's integration with Google Workspace and other cloud services offers seamless access to remote development environments without the need for local resource-heavy applications.

Pricing and Availability

eBay

eBay is one of the largest marketplaces for both new and used ChromeOS. You can check to see if this Chromebox is available for sale on eBay by clicking here.

Accessories

The Promethean Chromebox 3 is a versatile and powerful Chromebox, offering a seamless blend of performance, design, and flexibility. To unlock its full potential and enhance your user experience, a wide range of accessories can complement this premium device. Whether you're looking to improve productivity, boost creativity, or protect your investment, there’s something for everyone.

In this section, you'll find a curated list of accessories that are fully compatible with the Promethean Chromebox 3. From must-have peripherals like docking stations, webcams, and chargers to additional enhancements like keyboards, mice and external monitors, we’ve got you covered. Each recommendation has been carefully selected to ensure compatibility, quality, and the best possible experience for your Promethean Chromebox 3.

USB Docking Stations

The Promethean Chromebox 3 can be connected to a USB Docking Station to expand the number of ports available to you. This is especially useful if you need to connect multiple peripherals to your device such as a keyboard, mouse, external hard drive, printer, or other devices. We have compiled a list of USB Docking Stations that are compatible with your Chromebox on our USB Docking Station Accessories Page along with links to purchase the USB Docking Stations.

Universal DisplayLink Docking Stations

Universal Docking Stations powered by DisplayLink Technology allow you to power external displays over a standard USB 2.0 or USB 3.0 Port. These docking stations are excellent for those who wish to focus on productivity but these Universal Docking Stations do have several limitations that may be a problem for some users such as the inability to view High-bandwidth Digital Content Protection (HDCP) such as content from streaming media or Android Applications with security policies that previent screenshots/screen mirroring (banking applications and password managers). Additionally, these limitations may prevent some work related applications from functioning if your company uses any security policies that block screen mirroring or screenshots of company applications.

Although the Promethean Chromebox 3 will work with Universal DisplayLink Docking Stations, it is recommended to use a USB-C Docking Station with Video Output Support for the best experience. USB-C Docking Stations do not suffer from the same limitations as DisplayLink Docking Stations and will allow you to access secure applications that are restricted on DisplayLink.

Webcams

The Promethean Chromebox 3 should work with most consumer and professional grade webcams on the market. The list below shows several of the most popular webcams that will work for your Chromebox however you can access the ChromeOS Guide Accessory Database for a full list of devices that we have verified will work with ChromeOS.