HP Pro 400 Mini G9 Desktop PC Intel i7-14700T 16GB 512GB SSD Windows 11 PRO UHD 770 Graphics GbE WiFi6 DP HDMI KB+Mouse 3yrs OS ~B5JJ7AT

HP Pro Mini 400 G9 Desktop PC Intel i7-14700T 16GB 512GB SSD Windows 11 PRO UHD 770 Graphics GbE WiFi6 DP HDMI KB+Mouse 3Yrs OS Wty

Operating system Windows 11 Pro
Processor family Intel® Core™ i7 14th generation processor
Processor Intel® Core™ i7-14700T (up to 5.0 GHz Max Turbo frequency, 33 MB L3 cache, 20 cores, 28 threads)
Chipset Intel® Q670 (vPro®)
Form factor Mini
Graphics (integrated) Intel® UHD Graphics 770
Memory 16 GB DDR5-4800 MT/s (1 x 16 GB) Transfer rates up to 4800 MT/s.
Internal Storage 512 GB PCIe® NVMe™ M.2 SSD
Internal drive bays One 2.5″
Slots 1 M.2 2230; 1 M.2 2280 1 M.2 slot for WLAN and 1 M.2 2280 slot for storage.
Ports 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
I/O Port location Front
Network interface LAN
Wireless Realtek Wi-Fi 6 RTL8852BE (2×2) and Bluetooth® 5.3 wireless card
Audio Realtek ALC3252 codec, universal audio jack with CTIA and OMTP headset support
Keyboard HP Wired Desktop 320K Keyboard
Pointing device HP Wired 320M Mouse
Power 90 W external power adapter, up to 89% efficiency, active PFC
Energy efficiency EPEAT® registered
Operating temperature range 10 to 35°C 50 to 95°F
Ecolabels EPEAT® registered
Energy star certified ENERGY STAR® certified
Security management Trusted Platform Module TPM 2.0 Embedded Security Chip shipped with Windows 10 (Common Criteria EAL4+ Certified)(FIPS 140-2 Level 2 Certified); HP Secure Erase; HP Sure Click; HP Sure Sense; Absolute Persistence module; HP Sure Admin; HP BIOSphere Gen6; HP Tamper Lock; HP Sure Start Gen7; HP Platform Certificate On Device Installation
Management features HP Client Catalog (download); HP Driver Packs (download); HP Image Assistant (download); HP Client Management Script Library (download); HP Connect for Microsoft Endpoint Manager; HP Manageability Integration Kit (download); HP Patch Assistant (download)
Available software HP Smart Support
Warranty 3 year warranty 

Who It’s For

Ideal for small to medium businesses, corporate offices, and professionals who need a powerful yet ultra-compact desktop for everyday productivity, secure remote work, and light multitasking in space-constrained environments like reception areas or shared workspaces.

Real-World Use Cases

• Office workers running Microsoft 365 apps, video calls, and multiple browser tabs benefit from the efficient 20-core i7 processor and Windows 11 Pro for smooth, secure daily operations.
• IT administrators deploy these in managed fleets using Intel vPro for remote monitoring, updates, and hardware security across multiple locations.
• Retail or hospitality setups use the compact form factor with HDMI/DP outputs for digital signage or point-of-sale systems while including keyboard and mouse for quick deployment.
• Hybrid workers connect peripherals via Wi-Fi 6 and Gigabit Ethernet for reliable video conferencing and file sharing without occupying desk space.

Key Advantages

• Ultra-compact design (roughly 17.7 x 17.5 x 3.4 cm) saves valuable desk or mounting space while delivering desktop-class performance from a 14th-generation Intel processor.
• Energy-efficient i7-14700T with Intel UHD Graphics 770 handles productivity workloads and light graphics tasks with lower power draw and heat compared to standard CPUs.
• Built-in business features like Windows 11 Pro, vPro technology, and TPM support provide enhanced security, manageability, and compatibility for enterprise environments.
• Ready-to-use bundle with 16GB RAM, 512GB SSD, Wi-Fi 6, GbE, display ports, and included keyboard/mouse plus 3-year warranty reduces setup time and total cost of ownership.

Full Specifications

Practical Considerations

• The single M.2 storage slot means upgrades typically require replacing the existing SSD rather than adding a second drive; plan storage needs accordingly or use external/ cloud options.
• Excellent for VESA mounting behind monitors to create an all-in-one-like setup; ensure adequate ventilation in enclosed spaces due to the compact chassis.
• Comes pre-configured with Windows 11 Pro and 3-year warranty, making it deployment-ready for businesses—verify local Australian warranty and support through HP partners for on-site service options.

Frequently Asked Questions

• Q: Is the storage upgradable? Yes, the 512 GB M.2 PCIe NVMe SSD can be replaced, but there is only one dedicated storage slot (plus a separate WLAN slot).
• Q: Does it support dual monitors? Yes, via the included DisplayPort and HDMI ports, allowing easy connection to two displays for enhanced productivity.
• Q: How quiet is the fan? The T-series low-power processor and efficient cooling design keep noise levels low, suitable for quiet office or home environments.
• Q: Can it run demanding software like video editing? It handles light photo/video editing and multitasking well thanks to the 20-core CPU and UHD 770 graphics, but heavy 4K or 3D workloads may benefit from a higher-end model.
• Q: How does it compare to similar models? Compared to the 13th-gen versions or larger SFF models, the 400 G9 Mini with i7-14700T offers better efficiency and a much smaller footprint while maintaining strong multi-core performance; it is more compact than the ProDesk 400 SFF but has fewer internal expansion options.
• Q: What is the warranty and local support? Includes a 3-year warranty covering parts and labor; in Australia, contact HP support or authorized resellers for local service options, extended warranties, and on-site repairs where available.