
HP Pro Mini 400 G9
tbdCOR ScoreAvailable after 3 critic reviews
Desktop PCs
Product specifications and review coverage for this exact model.

Image supplied through Icecat
HP A54ZDET is listed in the all-in-one pcs/workstations category. The recorded specifications include processor family: Intel Core Ultra 5; internal memory: 16 GB; total storage capacity: 512 GB; operating system installed: Windows 11 Pro. This entry covers manufacturer code A54ZDET. Specifications relate to this exact source record; other editions or packages may differ.
Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.
No scored critic reviews have been imported for this exact product yet. It remains unrated.
Specifications, review scores and prices belong to each exact model.
The COR Score gives each publisher one rating. Scores are converted to the same five-point scale.
Manufacturer code: A54ZDET. Icecat product 122312704 · Checked 18 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
The main features to compare for this exact model. Missing details are not assumed.
| Processor family | Intel Core Ultra 5 |
|---|---|
| Processor model | 125U |
| Memory (RAM) | 16 GB |
| Total storage capacity | 512 GB |
| Storage media | SSD |
| Operating system installed | Windows 11 Pro |
| Discrete graphics card model | Not available |
| Chassis type | All-in-One |
| Wi-Fi | Yes |
| Ethernet LAN | Yes |
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| Performance-core Max Turbo Frequency | 4.3 GHz |
|---|---|
| Efficient-core Max Turbo Frequency | 3.6 GHz |
| Low Power Efficient-core Max Turbo Frequency | 2.1 GHz |
| Performance-core base frequency | 1.3 GHz |
| Efficient-core base frequency | 0.8 GHz |
| Low Power Efficient-core Base Frequency | 700 MHz |
| Built-in speakers | Yes |
| Built-in microphone | Yes |
| Audio chip | Realtek ALC3274 |
| Microphone in | Yes |
| Introduction year | 2025 |
| Screen size | 60.5 cm (23.8") |
|---|---|
| Screen resolution | 1920 x 1080 pixels |
| Touchscreen | No |
| Display brightness | 250 cd/m² |
| Panel type | IPS |
| Anti-glare screen | Yes |
| Colour gamut | 72% |
| Display bezel technology | Micro-Edge |
| Display | LED |
| Display diagonal (metric) | 60.5 cm |
| Display included | Yes |
| Processor manufacturer | Intel |
|---|---|
| Processor generation | Intel® Core™ Ultra (Series 1) |
| Processor cores | 12 |
| Processor threads | 14 |
| Processor boost frequency | 4.3 GHz |
| Processor cache | 12 MB |
| Processor cache type | L3 |
| Processor base power | 15 W |
| Neural processor unit (NPU) | Intel AI Boost |
| AI software frameworks supported by NPU | DirectML, ONNX RT, OpenVINO, Windows ML |
| Internal memory type | DDR5-SDRAM |
| Maximum internal memory | 32 GB |
| Memory slots | 2 |
| Memory slots type | SO-DIMM |
| Memory clock speed | 5600 MHz |
| Memory layout (slots x size) | 2 x 8 GB |
| Number of storage drives installed | 1 |
| SSD capacity | 512 GB |
| Discrete graphics card | No |
| On-board graphics card | Yes |
| On-board graphics card family | Intel® UHD Graphics |
| On-board graphics card model | Intel® UHD Graphics |
| Built-in camera | Yes |
|---|---|
| Total megapixels | 5 MP |
| Privacy camera | Yes |
| HP front camera | HP Webcam 5MP |
| Total carbon footprint (kg of CO2e) | 237.279 |
|---|
| SSD interface | PCI Express |
|---|---|
| Top Wi-Fi standard | Wi-Fi 6 (802.11ax) |
| Wi-Fi standards | Wi-Fi 6 (802.11ax) |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Bluetooth | Yes |
| Bluetooth version | 5.3 |
| Ethernet LAN (RJ-45) ports | 1 |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| HDMI ports | 1 |
| HDMI version | 1.4 |
| Combo headphone/mic port | Yes |
| Total number of SATA connectors | 1 |
| Keyboard connectivity | Wired |
| AC adapter power | 120 W |
|---|---|
| AC adapter frequency | 50 - 60 Hz |
| AC adapter input voltage | 100 - 240 V |
| Power supply | 120 W |
| WLAN controller manufacturer | Realtek |
|---|---|
| WLAN controller model | Realtek RTL8822BE |
| HP Support Assistant | Yes |
| Operating temperature (T-T) | 10 - 35 °C |
| RGB colour space | NTSC |
|---|---|
| Memory form factor | DIMM/SO-DIMM |
| Colour name | Iron gray |
| Product colour | Grey |
| Product type | All-in-One PC |
| Width (with stand) | 540.6 mm |
| Depth (with stand) | 183.7 mm |
| Height (with stand) | 419 mm |
| Weight (with stand) | 5.37 kg |
| Weight | 5.37 kg |
| Sustainable technologies and materials | Low Halogen |
| Pre-installed software | HP PC Hardware Diagnostics UEFI; HP Support Assistant; HP JumpStarts; HP Cloud Recovery |
|---|---|
| Sustainability compliance | Yes |
| HD type | Full HD |
|---|---|
| Native aspect ratio | 16:9 |
| NTSC coverage (typical) | 72% |
| Performance cores | 2 |
| Efficient cores | 8 |
| Low Power Efficient-cores | 2 |
| Maximum turbo power | 57 W |
| Sparsity support | Yes |
| Windows Studio effects support | Yes |
| NPU performance up to | 11 TOPs |
| Total SSDs capacity | 512 GB |
| Number of SSDs installed | 1 |
| NVMe | Yes |
| Optical drive type | No |
| On-board GPU manufacturer | Intel |
| Privacy type | Pop-up |
| Antenna type | 2x2 |
| Market positioning | Everyday |
| Intel® Turbo Boost Technology | Yes |
| HP JumpStart | Yes |
| HP segment | Business |
| HP GTIN (EAN/UPC) | 199251756252 |
| Carbon emissions, manufacturing (kg of CO2e) | 216.76 |
| Carbon emissions, logistics (kg of CO2e) | 3.431 |
| Carbon emissions, end-of-life (kg of CO2e) | 1.96 |
| Total carbon emissions, w/o use phase (kg of CO2e) | 15.128 |
| Operating relative humidity (H-H) | 10 - 90% |
| Low halogen | Yes |
| Sustainability certificates | ENERGY STAR, EPEAT |
| Keyboard included | Yes |
| Numeric keypad | No |
| Input device model | HP 125 Wired Mouse |
| UNSPSC-code | 43211507 |
| Keyboard type | USB |
| Memory module type | SODIMM |
| Manufacturer warranty | 1 year (1/1/1) limited warranty includes 1 year of parts, labor and on-site repair. Terms and conditions vary by country. Certain restrictions and exclusions apply. |
| Support service included | HP 3 year Next Business Day Onsite Desktop HardwareSupport. For terms and conditions, please visit https://h20195.www2.hp.com/v2/GetPDF.aspx/4AA5-6385EEE & https://www8.hp.com/h20195/v2/getpdf.aspx/4AA5-7123EEGB.pdf |
| General Product Safety Regulation (GPSR) URL | https://support.hp.com/us-en/document/ish_6126692-6126777-16?openCLC=true |
| Country of origin | China |
|---|---|
| Package width | 641 mm |
| Package depth | 277 mm |
| Package height | 525 mm |
| Package weight | 8.5 kg |
| Harmonized System (HS) code | 8471490000 |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
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