HP Pro Mini 400 G9 Mini-PC Intel Core i7-13700T 16GB RAM 512GB SSD DOS

In a busy accounting firm, the HP Pro Mini 400 G9 sits discreetly behind a monitor, driving dual displays for spreadsheet analysis and client video calls without a whisper of noise. This ultra-compact desktop packs a 13th Gen Intel Core i7-13700T processor with 16 cores and 24 threads, delivering desktop-class performance in a chassis that fits in the palm of your hand. With 16 GB of DDR4 memory and a fast 512 GB NVMe SSD, it boots in seconds and handles multitasking with ease. Preinstalled with DOS, it is ready for your preferred operating system, giving IT departments full control over deployment. Connectivity is future-proof: Wi-Fi 6E and Bluetooth 5.3 keep you wire-free, while Gigabit Ethernet ensures rock-solid wired networking. The front USB-C port supports fast data transfer and device charging, and the rear HDMI 2.1 plus dual DisplayPort 1.4a outputs enable up to three 4K displays for maximum productivity. Security is enterprise-grade with TPM 2.0 and HP Wolf Security, and Intel vPro Enterprise allows remote management. Whether mounted behind a display with the included VESA bracket or placed on a desk, this mini PC is a powerhouse for modern workspaces.

Key specifications

• Intel Core i7-13700T processor (16 cores, 24 threads, up to 4.9 GHz)
• 16 GB DDR4-3200 MHz RAM (2 SODIMM slots, max 64 GB)
• 512 GB PCIe NVMe M.2 SSD
• Integrated Intel UHD Graphics 770
• Intel Wi-Fi 6E AX211 (2x2) and Bluetooth 5.3
• Realtek Gigabit Ethernet
• Ports: 1x USB-C 3.2 Gen 2, 4x USB-A (3x 3.2 Gen 2, 1x 2.0), 1x HDMI 2.1, 2x DisplayPort 1.4a, 1x RJ-45, 1x headphone/mic combo
• Supports up to 3 displays
• 90W external power adapter
• VESA mountable (bracket included)
• TPM 2.0, HP Wolf Security, Intel vPro Enterprise
• Operating system: DOS (no OS preinstalled)

Why choose it

The HP Pro Mini 400 G9 combines powerful 13th Gen Intel processing with a space-saving design that is 96% smaller than a traditional tower. It is ideal for businesses that need reliable performance without sacrificing desk space. The tool-less chassis allows easy upgrades, and the flexible mounting options keep workspaces clutter-free. With enterprise security and manageability features, it is built to meet the demands of modern IT environments.

Ideal use cases

• Office productivity and multitasking in corporate environments
• Digital signage and kiosk applications
• Point-of-sale systems in retail
• Home office setups with limited space
• Thin client replacement and VDI endpoints
• Remote work with reliable connectivity

Good to know

This model ships with DOS, meaning no operating system is preinstalled. You can install Windows 11, Linux, or another OS of your choice. The included VESA mounting bracket allows you to attach the mini PC to the back of a compatible monitor, creating an all-in-one solution. The 90W external power adapter is compact and energy-efficient. For expansion, the unit includes one M.2 2280 slot (occupied by the SSD) and an optional 2.5-inch SATA bay for additional storage. The Intel Core i7-13700T is a 35W TDP processor, balancing performance and power consumption for quiet operation.