HP Pro Mini 400 G9 i5-14500T 16GB 512GB W11P Compact Business Desktop
The HP Pro Mini 400 G9 Desktop PC delivers commercial-grade performance, enterprise security, and flexible deployment in an ultra-compact form factor. Powered by the 14th Gen Intel Core i5-14500T processor with 14 cores (6 P-cores and 8 E-cores) and 20 threads, this mini PC handles demanding business applications and multitasking with ease. Equipped with 16GB DDR5-4800 RAM and a 512GB PCIe NVMe SSD, it provides the speed and storage needed for modern workflows in small workspaces.
Why You'll Love the HP Pro Mini 400 G9
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Powerful 14th Gen Performance: Intel Core i5-14500T with vPro Technology features 14 cores reaching up to 4.8GHz turbo frequency for smooth multitasking and productivity
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Ultra-Compact Design: Mini desktop footprint ideal for space-constrained offices, hot-desking environments, and VESA-mount behind monitors
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Enterprise-Class Security: HP Wolf Security for Business with hardware-enforced protection from BIOS to browser, including HP Sure Start Gen7 and Sure Sense
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Flexible Connectivity: Wi-Fi 6E (802.11ax), Bluetooth 5.3, multiple USB ports including USB-C 20Gbps, dual DisplayPort 1.4, HDMI 2.0b, and Gigabit Ethernet
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Multi-Monitor Support: Drive up to three 4K displays simultaneously via 2 DisplayPort 1.4a and 1 HDMI 2.1 outputs with Intel UHD Graphics 770
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Windows 11 Pro Ready: Pre-installed with Windows 11 Pro for enhanced productivity, security, and business management features
Exceptional Performance in a Tiny Package
Don't let its size fool you. The HP Pro Mini 400 G9 is engineered with the latest Intel Core i5-14500T processor delivering 24MB L3 cache and intelligent performance distribution across 6 performance cores and 8 efficiency cores. Combined with 16GB DDR5 memory running at 4800MT/s, this system breezes through spreadsheets, video calls, web browsing, and office applications simultaneously. The 512GB PCIe Gen 3 NVMe SSD ensures rapid boot times and application launches, with room for an additional 2.5-inch SATA drive if you need expanded storage.
Built for Business Security and Reliability
HP Wolf Security for Business creates a hardware-enforced, always-on defence that protects from the BIOS to the browser and everything in between. This mini PC includes HP Sure Start Gen7 to automatically recover the BIOS if compromised, HP Sure Sense with deep learning AI to detect malware, and HP Sure Run to keep critical security processes running. Designed to meet MIL-STD 810 durability standards and backed by HP's Total Test Process with over 120,000 hours of testing, the Pro Mini 400 G9 is built to last in demanding commercial environments.
Universal Connectivity for Modern Workspaces
Stay connected with comprehensive port selection and cutting-edge wireless technology:
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Front Ports: 1 × USB-C 20Gbps (with 15W Power Delivery), 2 × USB-A 10Gbps (one with charging support), 1 × headphone/microphone combo jack
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Rear Ports: 1 × RJ-45 Gigabit Ethernet, 1 × USB-A 10Gbps, 2 × USB-A 5Gbps, 2 × DisplayPort 1.4a, 1 × HDMI 2.0b
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Wireless: Intel Wi-Fi 6E AX211 (802.11ax) supporting 6GHz band with HP Extended Range Wireless LAN, Bluetooth 5.3
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Optional Flex Ports: Configurable rear flex ports can add VGA, Serial (RS-232), additional USB-C with DisplayPort Alt Mode, or additional USB-A ports
Whisper-Quiet Operation
Focus on your work without distraction. The HP Pro Mini 400 G9 is TUV certified for ultra-low noise operation, utilizing HP Run Quiet Design that intelligently tunes the cooling fan for minimal acoustic output. Even under load, this desktop maintains a peaceful working environment perfect for open-plan offices, libraries, and shared workspaces.
Sustainability Designed In
HP prioritises environmental responsibility. The Pro Mini 400 G9 features a high-efficiency power supply, molded-pulp packaging made from sustainably sourced certified and recycled fibers, and an EPEAT Gold registered design. The compact chassis incorporates post-consumer recycled plastic, reducing environmental impact without compromising performance.
What's in the Box
- HP Pro Mini 400 G9 Desktop PC
- 90W AC Power Adapter
- Power Cord (region-specific)
- HP 125 Wired Keyboard
- HP 125 Wired Mouse
- Documentation and Quick Start Guide
Full Specifications
Processor & Chipset
| Processor |
Intel Core i5-14500T (14th Gen) |
| Cores / Threads |
14 cores (6 P-cores + 8 E-cores) / 20 threads |
| Base Frequency |
1.7 GHz (P-core), 1.2 GHz (E-core) |
| Max Turbo Frequency |
Up to 4.8 GHz (P-core), up to 3.4 GHz (E-core) |
| Cache |
24 MB Intel Smart Cache (L3) |
| Integrated Graphics |
Intel UHD Graphics 770 |
| vPro Support |
Intel vPro Technology enabled |
| Chipset |
Intel Q670 |
Memory
| Memory Type |
DDR5-SDRAM |
| Installed Memory |
16 GB |
| Memory Speed |
4800 MT/s |
| Memory Slots |
2 × DIMM (UDIMM) |
| Memory Configuration |
1 × 16 GB |
| Maximum Memory |
64 GB (2 × 32 GB) |
| Memory Expandable |
Yes, user accessible/upgradeable |
Storage
| Storage Type |
SSD (Solid State Drive) |
| Total Capacity |
512 GB |
| SSD Interface |
PCIe NVMe Gen 3 × 4 |
| SSD Form Factor |
M.2 2280 |
| Number of SSDs Installed |
1 |
| Additional Storage Bay |
1 × 2.5-inch SATA (7mm) bay available |
Graphics & Display
| Graphics |
Intel UHD Graphics 770 (integrated) |
| Video Outputs |
2 × DisplayPort 1.4a, 1 × HDMI 2.0b |
| Multi-Monitor Support |
Up to 3 independent displays (4K capable) |
| Maximum Resolution |
4096 × 2304 @ 60Hz (DisplayPort) |
Network & Connectivity
| Ethernet |
Intel I219-LM Gigabit Network Connection (10/100/1000 Mbps) with vPro |
| Wi-Fi |
Intel Wi-Fi 6E AX211 (802.11ax), dual-band 2.4/5/6 GHz, 2×2 MU-MIMO |
| Bluetooth |
Bluetooth 5.3 |
| Antenna |
Internal dual antenna with optional external antenna support |
Ports & Expansion
| Front USB Ports |
1 × USB-C 20Gbps (with 15W PD), 1 × USB-A 10Gbps, 1 × USB-A 10Gbps (charging) |
| Rear USB Ports |
1 × USB-A 10Gbps, 2 × USB-A 5Gbps |
| Total USB Ports |
6 (1 × USB-C, 5 × USB-A) |
| Audio |
1 × Headphone/microphone combo jack (3.5mm, front) |
| Network Port |
1 × RJ-45 Ethernet |
| Security |
Kensington lock slot |
| Flex Port Options |
Configurable: VGA, Serial, DisplayPort, HDMI, USB-C with DP Alt Mode, Dual USB-A |
Power & Environment
| Power Supply |
90W external AC adapter (high-efficiency) |
| Power Supply Efficiency |
92% at 50% load (80 PLUS Gold equivalent) |
| Processor TDP |
35W (configurable up to 74W) |
| Input Voltage |
100-240 VAC, 50/60 Hz (auto-ranging) |
| Operating Temperature |
5°C to 35°C (41°F to 95°F) |
| Operating Humidity |
10% to 90% (non-condensing) |
| Noise Level |
TUV Certified Ultra-Low Noise |
Physical Specifications
| Form Factor |
Mini Desktop / Ultra-Small Form Factor |
| Dimensions (W × D × H) |
177 × 175 × 34.2 mm (6.97 × 6.89 × 1.35 inches) |
| Weight |
Approximately 1.2 kg (2.65 lb) depending on configuration |
| Chassis Material |
Plastic with post-consumer recycled content, metal frame |
| Colour |
Black |
| VESA Mount Compatible |
Yes (VESA mount bracket optional) |
Operating System & Software
| Operating System |
Windows 11 Pro (64-bit) |
| Downgrade Rights |
Windows 10 Pro available via downgrade rights |
| Security Software |
HP Wolf Security for Business (includes HP Sure Start Gen7, HP Sure Sense, HP Sure Run, HP Sure Admin) |
| Management |
HP Manageability Integration Kit, Intel vPro, HP Client Security Manager |
Security Features
| Hardware Security |
TPM 2.0 (Trusted Platform Module), Kensington lock slot |
| BIOS Protection |
HP Sure Start Gen7 (self-healing BIOS) |
| Endpoint Protection |
HP Sure Sense (AI-based malware detection), HP Sure Run |
| Chassis Intrusion |
Hood sensor (optional) |
| Security Standards |
FIPS 140-2 Level 2 (TPM), Common Criteria EAL4+ |
Certifications & Standards
| Durability Testing |
MIL-STD 810H (select tests), HP Total Test Process (120,000+ hours) |
| Environmental |
EPEAT Gold registered, ENERGY STAR 8.0 certified, RoHS compliant |
| Noise Certification |
TUV Certified for Ultra-Low Noise |
| Regulatory |
CE Mark, FCC Class B, ICES, VCCI, KC, BSMI, CCC |
Warranty & Support
| Standard Warranty |
3 Year On-Site Warranty (terms vary by region) |
| Care Pack Options |
Available up to 5 years Next Business Day On-Site with Defective Media Retention |
| Support |
HP Support Assistant, phone and online support |
Specifications are sourced from the manufacturer product page and may be updated. Please verify critical specifications before purchase.
