Mini PC HP ProDesk 400 G9 Mini – Intel Core i5-12500T 6C/12T 2.0–4.4 GHz, 16GB DDR5 4800MHz, 512GB NVMe, Wi‑Fi 6E, Win 11 Pro

Compact business Mini PC HP ProDesk 400 G9 Mini with 12th‑generation Intel Core i5‑12500T (6 cores / 12 threads, 2.0–4.4 GHz, 18 MB L3), 16 GB DDR5‑4800 (1×16 GB, upgradable to 64 GB), 512 GB NVMe M.2 SSD, Intel UHD Graphics 770 and Windows 11 Pro. The small footprint (approx. 177 × 177 × 235 mm) and 90 W power supply make this mini PC suitable for office desks and space‑constrained environments while providing standard business connectivity and security features such as TPM 2.0.

Advantages

The system combines a 12th‑generation Intel Core i5 processor with DDR5 memory and NVMe storage for responsive multitasking and fast application loading. Integrated Intel UHD Graphics 770 supports everyday office graphics and multiple displays via HDMI 2.1 and DisplayPort 1.4. Built‑in Wi‑Fi 6E (Intel AX211), Bluetooth 5.3 and Gigabit Ethernet provide flexible network options. Compact chassis, low weight and included wired keyboard and mouse simplify deployment in business environments. Hardware security features include TPM 2.0 and BIOS password protection.

Suitable for (tasks / use cases)

• Office productivity and administrative work
• Web conferencing and remote collaboration
• Point‑of‑sale terminals and kiosk systems
• Space‑limited workstations and shared desks
• Standard business desktops requiring secure boot and management

Key specifications

• Processor: Intel Core i5‑12500T, 6 cores / 12 threads, base 2.0 GHz, boost up to 4.4 GHz, 18 MB L3 cache
• Memory: 16 GB DDR5‑4800 (1×16 GB), 2x DIMM slots, up to 64 GB
• Storage: 512 GB NVMe M.2 SSD (PCI Express)
• Graphics: Integrated Intel UHD Graphics 770
• Networking: Wi‑Fi 6E (Intel Wi‑Fi 6E AX211), Bluetooth 5.3, Gigabit Ethernet (10/100/1000Base‑T)
• Ports: HDMI 2.1 ×1, DisplayPort 1.4 ×2, USB 3.2 Gen 2 Type‑A ×3, USB 3.2 Gen 1 Type‑A ×2, USB 3.2 Gen 2x2 Type‑C ×1, combo headphone/mic, RJ‑45
• Security & management: TPM 2.0, BIOS password protection, Intel Q670 chipset
• Power & dimensions: 90 W PSU, approx. 177 × 177 × 235 mm, weight ~1.42 kg
• Operating system: Windows 11 Pro preinstalled

How to use

Place the mini PC on a stable, ventilated surface and connect the 90 W power supply to a suitable 100–240 V, 50/60 Hz outlet. Attach the included wired keyboard and mouse and connect displays via HDMI 2.1 or DisplayPort 1.4. Configure network settings using Wi‑Fi 6E or wired Ethernet, then complete Windows 11 Pro initial setup. For additional storage or memory, power down the unit and follow HP service instructions to access M.2 slot or DIMM sockets.

Recommendations

For reliable operation, keep ambient temperature between 10 °C and 35 °C and relative humidity between 10% and 90%. Use the mini PC on a flat surface with adequate airflow, and install Windows and security updates regularly. For improved multitasking, consider installing a second DDR5 module to reach higher total memory capacity.