ASUS Chromebook CX9 CX9400 Information

The ASUS Chromebook CX9 CX9400 is a versatile and powerful ultrabook designed for productivity and mobility. With an Intel Core i3-1115G4, i5-1135G7, or i7-1165G7 processor, it delivers smooth performance for everyday tasks such as web browsing, document editing, and media playback. The 14-inch Full HD (1920x1080) display offers clear visuals, making it ideal for both work and entertainment. Its built-in touchscreen enhances interactivity, especially when using Android applications, while the optional stylus support provides a creative edge for note-taking or drawing. This device is well-suited for enterprise users who require reliable performance in a compact form factor.

Equipped with 8 GB or 16 GB of RAM and internal storage options up to 512 GB, the CX9400 ensures efficient multitasking and ample space for files and apps. The inclusion of USB Type-C ports with video output support, HDMI, and a MicroSD card slot adds flexibility for connecting peripherals and expanding storage. With Linux support enabled, users can run native applications without needing a desktop environment, making it a strong choice for developers or those requiring advanced software capabilities. Support continues until June 1^st, 2029, ensuring long-term usability and security updates.

System Specifications

The ASUS Chromebook CX9 CX9400 is an x86_64 based Chromebook powered by a Intel Core i3-1115G4, Intel Core i5-1135G7 or Intel Core i7-1165G7 clocked at 1.7 GHz with 8 GB or 16 GB of RAM. As far as built-in storage, the ASUS Chromebook CX9 CX9400 has 128 GB, 256 GB or 512 GB of local disk space. The ASUS Chromebook CX9 CX9400 runs code built for the x86_64 architecture.

Performance Expectations

The ASUS Chromebook CX9 CX9400 offers a smooth and efficient user experience, making it ideal for everyday tasks such as web browsing, streaming media, and light productivity work. With support for both Android and Linux applications, users can seamlessly switch between apps and tools without the need for additional software or hardware. The x86_64 architecture ensures compatibility with a wide range of applications, while the 128 GB, 256 GB, or 512 GB storage options provide ample space for files, documents, and media. Whether you're working on spreadsheets, editing text, or watching videos, this device delivers reliable performance that meets modern needs.

The built-in touchscreen enhances interactivity with Android apps, offering a more engaging experience for users who prefer touch-based navigation. The inclusion of a USI stylus (sold separately) further expands creative possibilities, allowing for note-taking and drawing directly on the screen. With USB Power Delivery support, the device ensures consistent charging performance, making it convenient to use throughout the day. Whether you're in an office setting or working remotely, the ASUS Chromebook CX9 CX9400 provides a versatile platform that supports both productivity and entertainment without compromising on usability.

CPU Performance Expectations

The ASUS Chromebook CX9 CX9400 offers a balanced CPU performance that excels in everyday tasks such as web browsing, streaming media, and running productivity applications. With an Intel Core i3-1115G4, i5-1135G7, or i7-1165G7 processor, this device handles multitasking with ease, allowing users to switch between tabs, run multiple browser windows, and work on documents without noticeable lag. For those who need more power, the higher-end models with an i7 processor provide smoother performance when running resource-heavy applications like video editing software or complex spreadsheets.

Whether you're streaming high-definition content or working on a document with embedded media, the CPU ensures that these tasks are completed efficiently and quickly. The combination of the processor's capabilities with 8 GB or 16 GB of RAM allows for seamless operation even when handling multiple background processes. This makes the ASUS Chromebook CX9 CX9400 an ideal choice for users who prioritize reliability and performance in their daily workflow without requiring the latest high-end hardware.

Storage Performance Expectations

The ASUS Chromebook CX9 CX9400 features eMMC storage, which provides reliable and consistent performance for everyday tasks such as web browsing, document editing, and media playback. While eMMC storage is generally slower than SSDs in terms of read/write speeds, it still offers sufficient performance for most ChromeOS applications and workflows. Users should be mindful of their storage usage, keeping at least 60% of the drive free to ensure smooth operation and prevent potential slowdowns due to low available space. This device is well-suited for users who prioritize portability and affordability over high-speed data transfers or large file storage. For those needing faster access to files or running more intensive applications, an external USB storage solution can help supplement the internal storage capabilities. Overall, this device delivers a balanced storage experience that meets the needs of most casual and professional users alike.

Display Performance Expectations

The ASUS Chromebook CX9 CX9400 features a 14-inch display with a resolution of 1920x1080, offering sharp and clear visuals that are well-suited for everyday tasks such as web browsing, document editing, and video streaming. Its integrated GPU supports modern workloads like software development and light video editing, providing smooth performance when running applications that require graphical processing power. The touchscreen capability enhances the user experience by allowing direct interaction with content, making it easier to navigate through apps and tools. Whether you're working on a project or simply browsing the web, the display delivers reliable color accuracy and brightness levels that are appropriate for most environments.

The device's GPU also ensures compatibility with Android applications that demand graphical performance, such as certain design and productivity tools. While it may not be designed for high-end gaming or professional video editing, the display and graphics capabilities make it a solid choice for users who need reliable performance without sacrificing visual quality. The touchscreen can be particularly useful when using apps that benefit from touch input, providing an intuitive way to interact with content directly on the screen. Overall, the display setup strikes a balance between functionality and efficiency, catering to both casual and more demanding usage scenarios.

Android Performance Expectations

The ASUS Chromebook CX9 CX9400 provides a solid foundation for running Android applications thanks to its hardware capabilities and supported features. With a 128 GB, 256 GB, or 510 GB storage option, users can install a variety of apps without worrying about running out of space, though those looking to store large media files or games may prefer the higher capacity variants. The inclusion of a touchscreen enhances the experience for apps that are designed with touch in mind, such as certain productivity tools and multimedia applications. However, users who primarily rely on keyboard input for Android tasks will still find the device functional and responsive.

Performance-wise, the CX9400's Intel Core processors offer adequate power to handle most Android apps smoothly, especially when paired with 8 GB or 16 GB of RAM. While it may not be ideal for resource-heavy games or multitasking across multiple apps, it is well-suited for everyday use such as email, messaging, and light browsing. The presence of a MicroSD card slot allows for additional storage expansion if needed, though this should not replace the internal storage for optimal performance. Overall, the device strikes a good balance between functionality and usability for Android-centric tasks without overcomplicating the user experience.

Linux Performance Expectations

The ASUS Chromebook CX9 CX9400 offers a solid foundation for running Linux applications thanks to its x86_64 architecture and integrated support. With options for 8 GB or 16 GB of RAM, users can expect smooth performance for tasks like software development, where multiple virtual machines or integrated development environments (IDEs) are commonly used. The inclusion of a dedicated GPU for Linux operations ensures that graphics-intensive applications such as video editing software or CAD tools run efficiently without significant lag. This makes the device a viable option for those who rely on Linux-based workflows while still benefiting from the seamless integration with ChromeOS.

For developers and power users, the combination of a 128 GB, 256 GB, or 512 GB SSD provides ample space to install various Linux distributions and their associated tools. The ability to run Linux applications natively without requiring a desktop environment means that tasks such as compiling code, managing servers, or working with command-line utilities can be handled effectively. While the device is not designed for high-end gaming or resource-heavy simulations, it excels in environments where productivity and efficiency are prioritized over raw power. The presence of a USB Type-C port with video output support further enhances its versatility for connecting external displays or peripherals when needed.

Gaming Performance Expectations

Web-Based Gaming Experience/Web-Game Streaming Services

The ASUS Chromebook CX9 CX9400 offers a robust web-based gaming experience thanks to its powerful Intel Core processor and integrated graphics. With support for Linux applications, users can run a variety of games that are optimized for ChromeOS, providing smooth performance and decent graphical quality for casual and mid-tier titles. The device's 8 GB or 16 GB RAM configurations ensure that multitasking remains fluid even when running multiple browser tabs or resource-heavy web apps.

For cloud-based gaming, the CX9400 benefits from its strong CPU and efficient cooling system, which helps maintain stable performance during extended sessions. While it may not rival high-end gaming laptops in terms of raw power, the Chromebook's ability to run Linux applications allows for a broader range of game options compared to standard ChromeOS devices. Users should expect good frame rates and acceptable visual fidelity for most web-based games, making it a solid choice for those who prefer to play without the need for dedicated hardware.

Linux Gaming Experience

The ASUS Chromebook CX9 CX9400 offers a solid foundation for Linux gaming, thanks to its x86_64 architecture and integrated GPU support. With up to 16 GB of RAM, this device can handle more demanding applications and multitasking, which is essential when running resource-intensive games or development tools. The internal storage options range from 128 GB to 512 GB, providing ample space for game installations and data retention. While the built-in graphics capabilities may not rival dedicated gaming hardware, they are sufficient for many popular titles that rely on Linux support, especially those optimized for lower-end systems.

For users looking to dive into Linux-based games, the CX9400's performance will depend heavily on the specific title and its system requirements. The Intel processors, ranging from i3-1115G4 to i7-1165G7, provide a good balance of power and efficiency, making them suitable for a variety of gaming scenarios. However, it's important to note that not all games will run smoothly on this device, and users should always check the system requirements for each title they're interested in. The overall user experience is enhanced by the seamless integration of Linux applications within ChromeOS, allowing for a streamlined workflow between productivity tasks and entertainment.

Steam-Based Gaming Experience

The ASUS Chromebook CX9 CX9400 offers a balanced approach to gaming through its performance capabilities, making it suitable for casual and mid-range titles on Steam. With an Intel Core i3-1115G4, i5-1135G7, or i7-1165G7 processor, the device can handle older games with ease, though more demanding titles may require some optimization. The integrated GPU, while not as powerful as dedicated graphics cards, is capable of delivering acceptable frame rates for a variety of Steam-based games when paired with sufficient RAM and storage. This device comes with 8 GB or 16 GB of RAM, which ensures smooth multitasking and helps maintain performance during extended gaming sessions.

Graphics quality will depend on the specific game's requirements, but the 1920x1080 resolution provides a clear and detailed visual experience. The internal storage options range from 128 GB to 512 GB, giving users enough space for game installations and other media. While Linux support allows for additional flexibility in running certain applications, it is important to note that Steam games are primarily designed for Windows and may not run natively on ChromeOS without emulation or compatibility layers. Users should consult the system requirements for individual titles to determine if their device can handle them effectively.

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 ASUS Chromebook CX9 CX9400 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 ASUS Chromebook CX9 CX9400 offers a smooth media consumption experience thanks to its 1920x1080 display, which delivers clear visuals for both video playback and streaming. Whether you're watching high-definition content or enjoying 4K videos, the screen provides vibrant colors and sharp details that enhance your viewing pleasure. The device's support for Android applications means you can access a wide range of streaming services directly from its interface without needing additional software or hardware. For users who prefer to store media locally, the internal storage options provide ample space for offline content, making it easy to watch movies or listen to music without an internet connection.

Audio quality on this device is well-suited for everyday use, with clear and balanced sound output through the built-in speakers. The headphone jack allows for a more immersive experience when using wired headphones or earbuds, which is ideal for both casual listening and focused work sessions. While the display and audio capabilities are sufficient for most media needs, users looking for advanced features like high refresh rates or premium speaker systems may find the CX9400 slightly limited compared to newer models. Still, it remains a reliable choice for streaming, video playback, and general entertainment use with its balanced performance and user-friendly design.

ChromeOS Work Experience

The ASUS Chromebook CX9 CX9400 is a powerful and reliable option for users who need a device that can handle everyday work tasks efficiently. With its Intel Core i3, i5, or i7 processor options, this device offers smooth performance for document editing, video conferencing, and running web-based applications commonly used in an office setting. The 1920x1080 display provides clear visuals, making it easy to work with spreadsheets, presentations, and emails without eye strain. Whether you're collaborating remotely or managing your daily workload, the CX9400 delivers a solid user experience that supports modern productivity needs.

The built-in touchscreen adds an extra layer of convenience for users who prefer touch input, especially when working with Android applications or navigating through ChromeOS features. The presence of a USB Type-C port with video output support makes it simple to connect external displays or peripherals as needed. Additionally, the MicroSD card slot allows for easy expansion of storage space, which can be useful for saving files or backing up important data. With 8 GB or 16 GB of RAM available, this device is well-equipped to handle multitasking and modern web applications without lag, making it a great choice for users looking for an efficient work tool.

ChromeOS Education Experience

The ASUS Chromebook CX9 CX9400 is a versatile tool for students and educators alike, offering a smooth experience for everyday learning tasks. With an Intel Core i3-1115G4, i5-1135G7, or i7-1165G7 processor, this device handles web browsing, document editing, and video conferencing with ease. The 1920x1080 resolution display ensures clear visuals during online classes and when reviewing digital textbooks or presentations. Its touchscreen functionality enhances interaction with educational apps and learning management systems (LMS), making it a great fit for interactive lessons and collaborative projects.

The 8 GB or 16 GB RAM options provide sufficient power for multitasking, allowing students to keep multiple tabs open while working on assignments or participating in virtual discussions. The internal storage capacities of 128 GB, 256 GB, or 512 GB ensure enough space for educational software, personal files, and cloud-based resources without the need for external drives. This device also supports Linux applications, enabling access to a wide range of tools that can aid in coding, data analysis, and other advanced learning activities. The built-in stylus and USB Type-C ports further enhance its utility for creative projects and seamless connectivity with peripherals.

General Productivity Experience

The ASUS Chromebook CX9 CX9400 offers a solid productivity experience with its 14-inch display and Full HD resolution, making it ideal for tasks such as web browsing, document editing, and light multimedia use. The crisp visuals and responsive touch screen enhance the user experience, especially when working with Android applications or running Linux support for more advanced workflows. With up to 16 GB of RAM, this device handles multitasking smoothly, allowing users to switch between multiple browser tabs, office suites, and other productivity tools without performance hiccups. Whether you're managing emails, creating presentations, or collaborating on documents, the CX9400 provides a reliable foundation for everyday work.

The built-in Intel processor ensures that even resource-intensive applications run efficiently, while the touch screen adds an extra layer of interactivity for users who prefer tapping and swiping over traditional mouse and keyboard input. The 128 GB to 512 GB storage options give users enough space for files, apps, and cloud-based work without needing external drives. Combined with its USB Type-C ports and HDMI output, the CX9400 is well-equipped for both desktop-like setups and mobile use, making it a versatile choice for professionals on the go. Its performance, paired with a sleek design, makes it an excellent option for users looking to streamline their workflow without compromising on speed or usability.

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 ASUS Chromebook CX9 CX9400 is a solid choice for developers looking for a balance between performance and portability. With an x86_64 architecture, it supports Linux applications out of the box, allowing users to run tools like git, node.js, Python, and Visual Studio Code without any additional setup. The 128 GB, 256 GB, or 512 GB storage options provide ample space for development projects, while the 8 GB or 16 GB RAM configurations ensure smooth multitasking and efficient code compilation. Whether you're working on web applications, scripting, or running local servers, this device offers a reliable platform that handles modern developer workflows with ease.

The display of the ASUS Chromebook CX9 CX9400 is well-suited for development tasks, offering a 1920x1080 resolution that ensures clear visibility of code and debugging outputs. The touchscreen feature enhances usability by allowing direct interaction with applications and tools, particularly beneficial when using Android-based development environments or testing touch-optimized interfaces. Combined with the built-in stylus support, it provides an additional layer of flexibility for developers who prefer handwritten notes or annotations during their workflow. The presence of multiple USB Type-C ports and an HDMI output also makes it easy to connect external monitors or peripherals, further expanding its utility in a development setup.

Pricing and Availability

eBay

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

Accessories

The ASUS Chromebook CX9 CX9400 is a versatile and powerful Chromebook, 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 ASUS Chromebook CX9 CX9400. 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 ASUS Chromebook CX9 CX9400.

MicroSD Cards

The ASUS Chromebook CX9 CX9400 has a MicroSD Card Slot that allows you to expand the storage capacity of your device. This is especially useful if you need to store large files such as videos, photos, or documents. We have compiled a list of MicroSD Cards that are compatible with your device on our Accessories Pahe along with links to purchase the MicroSD Cards.

USB Docking Stations

The ASUS Chromebook CX9 CX9400 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 Chromebook 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 ASUS Chromebook CX9 CX9400 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.

USB-C Chargers/Power Supplies

The ASUS Chromebook CX9 CX9400 can be charged with a USB Type-C charger using the USB Power Delivery Standard (USB-PD). You can purchase a compatible charger at most electronic retailers. We have created a list of chargers that we have tested to ensure they will work with your device. You may view this list via our Accessories Page, along with links to the product page if you wish to purchase the charger.

USB Battery Banks

The ASUS Chromebook CX9 CX9400 can be powered via an external USB Type-C Battery Bank if you need to use your device for extended periods of time when not near a reliable power source. USB Battery Banks are also ideal for those who use their ChromeOS Device while traveling or even in an emergency situation such as a severe storm, which may have power outages. Not all USB Battery Banks are capable of providing enough power to charge your Chromebook. We have compiled a list USB Battery Banks that can run your ASUS Chromebook CX9 CX9400 on our USB Battery Bank Accessories Page along with links to purchase the USB Battery Banks.

Webcams

The ASUS Chromebook CX9 CX9400 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 Chromebook however you can access the ChromeOS Guide Accessory Database for a full list of devices that we have verified will work with ChromeOS.