HP Pro Mini 400 G9 Business Mini PC Desktop Computer, Intel 6-Core i5-12500T (Beat i7-11700T), 16GB DDR4 RAM, 256GB PCIe SSD, WiFi 6, UHD Graphics 770, 2 Type-C + 2 DisplayPort + HDMI, Windows 11 Pro

HP Pro Mini 400 G9 Business Mini PC Desktop Computer, Intel 6-Core i5-12500T (Beat i7-11700T), 16GB DDR4 RAM, 256GB PCIe SSD, WiFi 6, UHD Graphics 770, 2 Type-C + 2 DisplayPort + HDMI, Windows 11 Pro

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Price: $999.00 - $69.99
(as of Dec 29, 2025 23:14:56 UTC – Details)

HP Pro Mini 400 G9 Business Mini PC Desktop Computer Review

The HP Pro Mini 400 G9 Business Mini PC Desktop Computer is a compact and powerful device designed for small and varied workspaces. This mini desktop computer is powered by a 12th Gen Intel Core i5-12500T processor, which provides commercial-grade performance, security, and flexible deployment capabilities. In this review, we will delve into the features, specifications, and capabilities of this device to help you determine if it’s the right fit for your business needs.

Processor and Performance

The HP Pro Mini 400 G9 is equipped with a 12th Gen Intel Core i5-12500T processor, which features 6 cores, 12 threads, and a turbo boost frequency of up to 4.40 GHz. This processor is designed to handle demanding tasks and applications with ease, making it an excellent choice for businesses that require a reliable and high-performance computer. The processor is also paired with 16GB of DDR4 RAM, which provides ample memory for running multiple applications simultaneously.

Graphics and Display

The integrated Intel UHD Graphics 770 chipset delivers a sharp and clear picture, making it ideal for graphics-intensive applications and video output. The device features a range of video output options, including 1 HDMI 2.1, 2 USB Type-C, and 2 DisplayPort 1.4a outputs, allowing you to connect multiple monitors and devices with ease.

Storage and Connectivity

The HP Pro Mini 400 G9 comes with a 256GB M.2 PCIe NVMe SSD, which provides fast storage and loading times for your applications and data. The device also features Wi-Fi 6 (2×2) and Bluetooth combo, allowing you to stay connected to the internet and your devices wirelessly. The front panel features a range of ports, including 1 headphone/microphone combo, 1 SuperSpeed USB Type-A 10Gbps signaling rate, 1 SuperSpeed USB Type-A 10Gbps signaling rate (charging), and 1 SuperSpeed USB Type-C 20Gbps signaling rate. The rear panel features additional ports, including 1 power connector, 1 RJ-45, 1 SuperSpeed USB Type-A 10Gbps signaling rate, 1 SuperSpeed USB Type-C 20Gbps signaling rate, 2 SuperSpeed USB Type-A 5Gbps signaling rate, 2 DisplayPort 1.4, and 1 HDMI 2.1.

Design and Build

The HP Pro Mini 400 G9 is designed to be compact and ultra-small, making it easy to fit into small bags and move between the home and office. The device measures just 6.97 x 6.89 x 1.34 inches and weighs 3.13 pounds, making it an excellent choice for businesses that require a portable and compact computer. The device can also be mounted behind a compatible HP monitor, creating an all-in-one system.

Operating System and Software

The HP Pro Mini 400 G9 comes with Windows 11 Professional, English, pre-installed, providing a secure and reliable operating system for your business needs. The device also includes a wired keyboard and mouse, making it easy to get started right out of the box.

Conclusion

The HP Pro Mini 400 G9 Business Mini PC Desktop Computer is a powerful and compact device designed for small and varied workspaces. With its 12th Gen Intel Core i5-12500T processor, 16GB of DDR4 RAM, and 256GB M.2 PCIe NVMe SSD, this device provides commercial-grade performance, security, and flexible deployment capabilities. The integrated Intel UHD Graphics 770 chipset and range of video output options make it an excellent choice for graphics-intensive applications and video output. The compact design and range of connectivity options make it an ideal choice for businesses that require a portable and reliable computer. Whether you’re looking for a device for your home office or a compact computer for your business, the HP Pro Mini 400 G9 is definitely worth considering.

Specifications

  • Operating System: Windows 11 Professional, English
  • Processor: 12th Gen Intel Core i5-12500T (18 MB cache, 6 cores, 12 threads, 2.00 GHz to 4.40 GHz Turbo)
  • Chipset: Intel Q670
  • Graphics: Integrated Intel UHD Graphics 770
  • Memory: 16GB DDR4 RAM
  • Hard Drive: 256GB M.2 PCIe NVMe SSD
  • Wireless Technology: Wi-Fi 6 (2×2) and Bluetooth combo
  • Power Supply: 90 W external power adapter, up to 89% efficiency, active PFC
  • External I/O Ports: Front: 1 headphone/microphone combo; 1 SuperSpeed USB Type-A 10Gbps signaling rate; 1 SuperSpeed USB Type-A 10Gbps signaling rate (charging); 1 SuperSpeed USB Type-C 20Gbps signaling rate. Rear: 1 power connector; 1 RJ-45; 1 SuperSpeed USB Type-A 10Gbps signaling rate; 1 SuperSpeed USB Type-C 20Gbps signaling rate; 2 SuperSpeed USB Type-A 5Gbps signaling rate; 2 DisplayPort 1.4; 1 HDMI 2.1
  • Form Factor: Mini
  • Pointing Device: HP 125 Wired Mouse
  • Keyboard: HP 125 Wired Keyboard
  • Dimensions: 6.97 x 6.89 x 1.34 inches
  • Weight: 3.13 pounds

Overall, the HP Pro Mini 400 G9 Business Mini PC Desktop Computer is a powerful and compact device that provides commercial-grade performance, security, and flexible deployment capabilities. Its range of features and specifications make it an excellent choice for businesses that require a reliable and high-performance computer.