
HP Pro Mini 400 G9 Business Mini Desktop Computer, Intel 6-Core i5-12500T, 16GB DDR4 RAM, 512GB PCIe SSD, WiFi 6, Bluetooth, 2 Type-C, HDMI, 2 DisplayPort, Keyboard & Mouse, Windows 11 Pro







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(as of Jan 25, 2026 06:07:37 UTC – Details)
HP Pro Mini 400 G9 Business Mini Desktop Computer: A Comprehensive Review
In the world of business computing, having a reliable and efficient desktop computer is essential for productivity and success. The HP Pro Mini 400 G9 Business Mini Desktop Computer is designed to meet the needs of small and varied workspaces, providing commercial-grade performance, security, and flexible deployment capabilities. In this review, we will delve into the features, specifications, and benefits of this compact and powerful desktop computer.
Processor and Performance
The HP Pro Mini 400 G9 is powered by a 12th Gen Intel Core i5-12500T processor, which boasts 6 cores, 12 threads, and a turbo boost speed of up to 4.40 GHz. This processor provides a significant boost in performance, allowing users to handle demanding tasks such as data analysis, video editing, and multitasking with ease. The 18 MB cache ensures that the system can handle large amounts of data, reducing lag and increasing overall system responsiveness.
Graphics and Display
The integrated Intel UHD Graphics 770 chipset delivers a sharp and clear picture, making it ideal for tasks that require high-quality visuals. The system features a range of display output options, including 1 HDMI 2.1, 2 DisplayPort 1.4, and 2 USB Type-C ports, allowing users to connect multiple monitors and enjoy a seamless viewing experience.
Memory and Storage
The HP Pro Mini 400 G9 comes with 16GB of DDR4 RAM, which provides ample memory for running multiple applications simultaneously. The 512GB M.2 PCIe NVMe SSD provides fast storage and loading times, allowing users to quickly access their files and applications. The lack of an optical drive may be a drawback for some users, but the benefits of a solid-state drive far outweigh the need for a CD or DVD drive.
Connectivity and Ports
The system features a range of connectivity options, including Wi-Fi 6 (2×2) and Bluetooth combo, allowing users to stay connected to the internet and their devices. The front of the system features a headphone/microphone combo, two SuperSpeed USB Type-A ports, and one SuperSpeed USB Type-C port. The rear of the system features a power connector, RJ-45 port, two SuperSpeed USB Type-A ports, one SuperSpeed USB Type-C port, two DisplayPort 1.4, and one HDMI 2.1 port. This range of ports provides users with flexibility and convenience, allowing them to connect their devices and peripherals with ease.
Operating System and Software
The HP Pro Mini 400 G9 comes with Windows 11 Professional, which provides a range of features and tools designed to enhance productivity and security. The system also includes a wired keyboard and mouse, which provide a reliable and comfortable typing and navigation experience.
Form Factor and Mounting Options
The HP Pro Mini 400 G9 is designed to be compact and versatile, measuring just 6.97 x 6.89 x 1.34 inches and weighing 3.13 pounds. The system can be easily mounted behind a compatible HP monitor, creating an all-in-one system that saves space and reduces clutter. Additionally, the system can be mounted on walls, under desks, or in other tight spaces using a separately purchased VESA mount, providing users with flexibility and convenience.
Power Supply and Efficiency
The system features a 90 W external power adapter, which provides up to 89% efficiency and active PFC. This power supply is designed to provide reliable and efficient power to the system, reducing energy consumption and minimizing the risk of power-related issues.
Conclusion
The HP Pro Mini 400 G9 Business Mini Desktop Computer is a powerful and versatile system that is designed to meet the needs of small and varied workspaces. With its 12th Gen Intel Core i5-12500T processor, integrated Intel UHD Graphics 770 chipset, and range of connectivity options, this system provides commercial-grade performance, security, and flexibility. The compact form factor and mounting options make it ideal for users who need to move between the home and office or who require a space-saving solution. Overall, the HP Pro Mini 400 G9 is a reliable and efficient desktop computer that is well-suited for a range of business applications.