HP Pro Mini 400 G9 Mini Desktop Computer – 13th Gen Intel Core i5-13500T, 16GB RAM, 512GB SSD – Windows 11 Pro, Black (New)

Product Overview

The HP Pro Mini 400 G9 Tiny Desktop Computer delivers robust enterprise processing power and exceptional deployment versatility to space-constrained workspaces, blending a high-performance 14-core Intel Core i5-13500T processor, 16GB RAM, and a lightning-fast 512GB PCIe NVMe M.2 solid-state drive. Housed inside a highly compact 1-liter micro chassis weighing just over three pounds, this desktop computer leverages integrated Intel UHD Graphics 770 and an enterprise-grade Intel Q670 vPro chipset to manage demanding commercial multitasking threads effortlessly, making it an ideal choice for multi-display corporate terminals, customer service kiosks, and modern remote home desks that need full desktop capability without losing desk real estate.

Pre-installed with a clean, fully licensed deployment of the Windows 11 Pro operating system, this modern mini computer arrives finished in standard commercial Black. As a New retail device, it ships straight from original factory production lines with an untouched lifecycle buffer, providing out-of-the-box reliability and instant compatibility for immediate corporate rollouts.

Key Highlights

• 14-Core Compute Infrastructure: Powered by a 13th Generation Intel Core i5-13500T processor utilizing a hybrid architecture with 6 Performance Cores and 8 Efficient Cores for a total of 20 concurrent execution threads, achieving turbo frequencies up to 4.6GHz.
• 1-Liter Modular Engineering: Built into an ultra-slim micro form factor measuring roughly 7 inches per side, allowing it to easily mount behind compatible monitors, scale inside technical kiosks, or save space on smaller corporate work surfaces.
• Triple Display Support Out of the Box: Outfitted with an extensive integrated video array featuring dual DisplayPort 1.4 interfaces alongside a high-resolution HDMI 2.1 port to comfortably run three independent digital displays at high refresh rates.
• High-Speed 20Gbps Port Arrays: Features a front-facing SuperSpeed USB Type-C interface capable of 20Gbps structural signaling throughput, ensuring swift transfers for dense external drive arrays and advanced docking equipment.
• Factory-Fresh Security: Shipped inside original packaging with verified manufacturer seals, backed by an elite collection of HP security systems including absolute TPM 2.0 cryptographic modules and a 1-year hardware warranty.

Product Experience

Deploying the HP Pro Mini 400 G9 significantly modernizes the look and function of the daily business workspace. Its tiny 1-liter form factor means it can sit upright on a desk, slide under a raised monitor shelf, or be mounted out of sight, transforming any desk layout into a clean, clutter-free environment. The rigid structural steel outer shell is engineered to withstand long-term commercial deployments, maintaining its smooth black finish while working in enclosed spaces. When managing dense analytical pipelines or background data operations, the internal thermal fan curves stay whisper-quiet, moving heat out through targeted chassis paths to keep ambient room acoustics comfortably silent.

The daily connection capabilities are explicitly tailored for maximum utility. You can connect multiple external data networks or media configurations effortlessly thanks to the smart split between front and back port arrays. The front-facing panel houses a fast charging-enabled 10Gbps Type-A port alongside a 20Gbps Type-C connector, giving you quick access to power accessories or ingest large portable hard drives without needing to reach behind the machine. At the same time, the inclusion of an open 2.5-inch internal expansion bay lets you easily add high-capacity backup storage down the road without having to sacrifice your fast primary NVMe solid-state drive boot partition.

Technical Specifications

• CPU: Intel Core i5-13500T (13th Gen, 14 Cores: 6 Performance Cores + 8 Efficient Cores; 20 Threads, 24MB Intel Smart L3 Cache, Max Turbo Frequency up to 4.6 GHz with Intel Turbo Boost Tech)
• Chipset: Intel Q670 Enterprise vPro Level Chipset Integration
• GPU: Integrated Intel UHD Graphics 770 (Supports multi-channel digital output)
• RAM: 16GB (1 x 16GB Module) DDR4-3200 MT/s System Memory; Expandable via 2 DIMM slots for Dual-Channel Configuration support
• Storage: 512GB Primary M.2 2280 Form Factor Form Factor PCIe NVMe Solid-State Drive
• Internal Expansion Sockets: 1 x M.2 2230 Slot (Occupied by Wireless Card), 1 x M.2 2280 Slot (Occupied by System Storage SSD), 1 x Available Internal 2.5" Drive Bay for Legacy HDD/SSD Expansion
• Networking Architecture: Intel Wi-Fi 6E AX211 Tri-Band (2x2) Wireless Card Module, Integrated Bluetooth 5.3 Controller, 1 x Physical Realtek RJ-45 Gigabit Ethernet LAN Connection Port
• Audio Engine: Realtek ALC3252 High-Definition Audio Codec; Front-Facing Universal Combo Jack with CTIA and OMTP Headset Interface Support
• Front Ports: 1 x USB Type-C 20Gbps signaling rate, 1 x USB Type-A 10Gbps signaling rate (with fast device charging configuration), 1 x USB Type-A 10Gbps signaling rate, 1 x 3.5mm Headphone/Microphone Combo Audio Jack
• Rear Ports: 2 x DisplayPort 1.4 Digital Video Outputs, 1 x HDMI 2.1 Video Interface Output, 2 x USB Type-A 5Gbps signaling rate, 1 x RJ-45 Gigabit Ethernet Network Connector, 1 x Coaxial Power Supply Connector
• Core Security Shielding: Firmware TPM 2.0 Embedded Security Encryption Chip (Common Criteria EAL4+ and FIPS 140-2 Level 2 Validated), HP BIOSphere Gen6 Core Architecture, HP Sure Start Gen7 Self-Healing Protection, HP Tamper Lock Detection, HP Sure Click, HP Sure Sense Threat Isolation, Absolute Persistence Module Integration, HP Secure Erase
• Included Input Peripherals: HP 125 Wired USB Keyboard, HP 125 Wired USB Optical Navigation Mouse
• Power Supply Profile: 90-Watt External Direct Current Smart Power Adapter, up to 89% Conversion Efficiency Rating, Active Power Factor Correction (PFC) Integration
• Operating System: Microsoft Windows 11 Pro 64-Bit Edition
• Chassis Size Dimensions: Width: 6.97 inches x Depth: 6.89 inches x Height: 1.34 inches
• Chassis Net Weight: Approximately 3.13 lbs
• Device Colorway: Corporate Textured Black Finish
• Condition: Brand New, Factory Sealed Retail Production Stock
• Warranty Window: 1-Year Direct Manufacturer Hardware Warranty Protection Window

Ideal For

• Dense Corporate Offices & Call Centers: Perfect for high-density office desks or shared environments that need standard Windows 11 Pro management features inside a highly secure micro chassis.
• Multi-Monitor Productivity Stations: Excellent for financial clerks and data managers who need three native monitor outputs to display multiple complex spreadsheets or web applications at once.
• Retail & Kiosk Deployments: A great choice for point-of-sale environments and commercial kiosks that require a highly compact, reliable computer that passes enterprise-grade hardware security audits.

What's Included

• HP Pro Mini 400 G9 Tiny Desktop Computer
• HP 125 Wired USB Keyboard
• HP 125 Wired USB Optical Mouse
• HP 90W External High-Efficiency Power Adapter Unit and Attached Power Lead

Frequently Asked Questions

What does a "New" rating mean?

A New rating indicates that this mini desktop computer is brand new, factory sealed, and has never been opened, deployed, or refurbished. It includes all original packaging materials, retail documentation, and untouched accessories direct from the manufacturer layout assembly line, ensuring complete structural integrity and uncompromised system health.

Can the internal memory be upgraded on this model?

Yes, this system is configured with two physical DDR4 DIMM slots for flexible long-term scaling. The unit comes populated with a single 16GB DDR4-3200 MT/s module, leaving the second internal channel completely free for you to easily pop in a matching stick for double the memory bandwidth or scale up to a larger storage capacity as your workloads grow.

Does this micro PC require external adapters to hook up three displays?

No, it does not require external display splitters or multi-port adapters. The rear panel features three native digital video ports—two DisplayPort 1.4 ports and one HDMI 2.1 connection—driven by the internal Intel UHD Graphics 770 graphics engine. This let you hook up three high-resolution desktop monitors simultaneously right out of the box.

What type of additional storage can I add inside this small chassis?

Despite its remarkably compact 1-liter physical chassis footprint, the internal motherboard layout includes an available 2.5-inch drive bay with data and power connections. This allows you to slide in a standard secondary 2.5" solid-state drive or mechanical hard drive to serve as a massive secondary storage partition without affecting your primary NVMe M.2 boot disk.

What does the built-in HP Sure Start Gen7 security tool do?

HP Sure Start Gen7 is a hardware-enforced, self-healing BIOS security solution that automatically monitors the low-level firmware startup tracks. If the platform ever detects a cyber threat, firmware corruption, or an unauthorized malware attack during bootup, it completely restores the system BIOS to a secure, uncorrupted copy within seconds, preventing down-time without requiring manually executed IT interventions.

Shop with Confidence

Purchase with complete certainty knowing this professional workstation is guaranteed factory-new and uncompromised. Our secure checkout ecosystem protects your transactional details at every step. Backed by a comprehensive 1-year direct hardware warranty and dedicated expert technical support layers, your investment delivers absolute enterprise-ready compliance, operational readiness, and long-term tech performance.