Key features
- 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
- 1 headphone/microphone combo
- 1 SuperSpeed USB Type-A 10Gbps signaling rate
- 1 SuperSpeed USB Type-A 10Gbps signaling rate (charging)
Technical specifications
Product
| Product type | Desktops |
|---|---|
| Subcategory | Desktop and All-in-One |
| Product brand name | HP |
| UNSPSC code | 43211507 |
Processor
| Chipset | Intel® Q670 (vPro®) |
|---|
Memory
| Memory Slots | 2 DIMM |
|---|
Storage
| Internal drive bays | One (2.5) 6.35 cm |
|---|
Camera and audio
| Audio | Realtek ALC3252 codec, universal audio jack with CTIA and OMTP headset support |
|---|
Ports
| 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, 1 power connector; 1 RJ-45; 1 SuperSpeed USB Type-A 10Gbps signaling rate; 2 SuperSpeed USB Type-A 5Gbps signaling rate; 2 DisplayPort™ 1.4; 1 HDMI 2.1 |
|---|
Software
| Available software | HP Smart Support |
|---|---|
| Software included | HP Notifications; HP PC Hardware Diagnostics UEFI; HP Support Assistant; HP Connection Optimizer; HP Privacy Settings; HP PC Hardware Diagnostics Windows; HP Desktop Support Utilities; HP Easy Clean; Touchpoint Customizer for Commercial; HP Easy Clean Keyboard Driver; HSA Fusion for Commercial; HSA Telemetry for Commercial; HPX for CMIT |
Copy and scan
| Copyright notice | © Copyright 2026 HP Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. |
|---|
Physical
| Dimensions (W x D x H) | 17.7 x 17.5 x 3.4 cm |
|---|---|
| Weight | 1.42 kg |
| Weight note (metric) | Exact weight depends on configuration. |
Package
| Package dimensions (W x D x H) | 49.8 x 23.5 x 13.2 cm |
|---|---|
| Package dimension note (metric) | Packaging material used will vary by Country |
| Package weight | 3.40 kg |
Sustainability
| Energy Usage CO2e (kg) | 90.894 |
|---|---|
| End of Life CO2e (kg) | 0.964 |
| Production CO2e (kg) | 57.171 |
| Total CO2e (kg) | 149.892 |
| Transportation CO2e (kg) | 0.863 |
Other
| Registration required | No |
|---|---|
| Series name | HP Pro Mini 400 G9 |
| Sub brand | Pro |
| TCO Certified | TCO Certified, generation 9 |
| Expansion slots | 1 M.2 2230; 1 M.2 2280 |
| Expansion slots note | 1 M.2 slot for WLAN and 1 M.2 2280 slot for storage. |
| I/O Port location | Front |
| Operating humidity range | 10 to 90% RH |
| Operating temperature range | 10 to 35°C |
| Family positioning headline | Productivity and manageability in one. |
| Form factor | Mini |
| Headline | Flex ports for easy expansion |
| Key selling point | A high-efficiency power supply and molded-pulp packaging6 help reduce the impact on the environment.[6] |
| Image legal disclaimer | Product image may differ from actual product |
| Legal disclaimer [01] | [1] HP BIOSphere Gen6 requires Windows 10 and is available on select HP Pro and Elite PCs. Features may vary depending on the platform and configurations. |
| Legal disclaimer [02] | [3] HP Sure Click supports Microsoft® Internet Explorer and Chromium™. Supported attachments include Microsoft Office (Word, Excel, PowerPoint) and PDF files in read only mode, when Microsoft Office or Adobe Acrobat are installed. |
| Legal disclaimer [03] | [5] For the methods outlined in the National Institute of Standards and Technology Special Publication 800-88 "Clear" sanitation method. HP Secure Erase does not support platforms with Intel® Optane™. |
| Legal disclaimer [04] | [6] Internet access required. |
| Legal disclaimer [05] | [7] HP Manageability Integration Kit can be downloaded from http://www.hp.com/go/clientmanagement. |
| Segment | Business |
| Usage | Proven productivity |
| Legal tagline | HP recommends Windows 11 Pro for business |
| Overview | The HP Pro Mini 400 provides users with the commercial-grade performance, security, and the flexible deployment capabilities needed for small, varied workspaces. This reliable, ultra-small PC is powered to handle mainstream enterprise and SMBs with an Intel® processor[2] and protected with always-on security you can trust. |
| Product description for SEO | One of the best ultrasmall business-class mini desktops from HP for commercial workloads with flexible deployment capabilities. |
| Company | HPI |
| Code name | Asteroids |
| Product long name | HP Pro Mini 400 G9 R -Base Unit IDS |
| 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) |
| Product classification flag | Base Unit-Configure to Order (CTO) |
| Tangible flag | Y |
| Ideal for | HP Pro 400 Series desktops provide businesses with commercial-grade performance, strong security, and configurability required for day-to-day mainstream enterprise and SMB productivity. |
| Material Type for item | HALB |
Notes and footnotes
- A product carbon footprint is defined as the total amount of greenhouse gases emitted directly and indirectly by a product over its lifetime. Greenhouse gas emissions are reported as global warming potential for 100-year time horizon (GWP-100) in units of CO2 equivalence. Calculations are done in accordance with ISO 14040 & ISO 14044. Individual values may not sum to total due to rounding.
- [2] Multicore is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering, branding and/or naming is not a measurement of higher performance.
- [4] HP Wolf Security for Business requires Windows 10 or 11 Pro or higher, includes various HP security features and is available on HP Pro, Elite, Workstation, and RPOS products. See product details for included security features.
- [2] This system is preinstalled with Windows 10 Pro software and also comes with a license for Windows 11 Pro software and provision for recovery software. You may only use one version of the Windows software at a time. Switching between versions will require you to uninstall one version and install the other version. You must back up all data (files, photos, etc.) before uninstalling and installing operating systems to avoid loss of your data.
- [6] Molded Pulp cushions made from 100% recycled wood fiber and organic materials.
- [3] For full Intel® vPro® functionality, Windows 10 Pro 64 bit, a vPro supported processor, vPro enabled chipset, vPro enabled wired LAN and/or WLAN card and TPM 2.0 are required. Some functionality requires additional 3rd party software in order to run. See http://intel.com/vpro
- [4] Multi-core is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering, branding and/or naming is not a measurement of higher performance.
- [5] Intel® Turbo Boost technology requires a PC with a processor with Intel Turbo Boost capability. Intel Turbo Boost performance varies depending on hardware, software and overall system configuration. See www.intel.com/technology/turboboost for more information.
- [6] For DDR4 memory modules support data transfer rates up to 3200/MTs and DDR5 memory modules support data transfer rates up to 4800/MTs. Actual data rate is determined by the system configuration.
- [7] All memory slots are customer accessible / upgradeable.
- [8] Actual data rate is determined by both the system's configured processor and memory module installed.
- [9] For storage drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 30 GB (for Windows) of disk is reserved for system recovery software.
- [10] This system is preinstalled with Windows 10 Pro software and also comes with a license for Windows 11 Pro software and provision for recovery software. You may only use one version of the Windows software at a time. Switching between versions will require you to uninstall one version and install the other version. You must back up all data (files, photos, etc.) before uninstalling and installing operating systems to avoid loss of your data.
- [11] The (2.5) 6.35 cm SATA drive bay can be both HDD and SSD.
- [12] Ports are optional. Max of one Flex Port 1 can be configured, with Serial port sold separately or as an optional feature. Max of one Flex Port 2 can be configured, and must be configured at time of purchase.
- [13] Availability may vary by country(Antimicrobial China only)
- [14] Based on US EPEAT® registration according to IEEE 1680.1-2018 EPEAT®. Status varies by country. Visit www.epeat.net for more information.
- [15] HP Connect for Microsoft Endpoint Manager is available from the Azure Market Place for HP Pro, Elite, Z and Point-of-Sale PCs managed with Microsoft Endpoint Manager. Subscription to Microsoft Endpoint Manager required and sold separately. Network connection required.
- [16] HP Patch Assistant available on select HP PCs with the HP Manageability Kit that are managed through Microsoft System Center Configuration Manager. HP Manageability Integration Kit can be downloaded from http://www8.hp.com/us/en/ads/clientmanagement/overview.html .
- [17] HP Manageability Integration Kit can be downloaded from http://www.hp.com/go/clientmanagement .
- [18] myHP requires Windows OS.
- [19] Starting from November 1st 2023, all shipments will require Windows to be installed on SSD to provide users a better experience. HDD can only be configured as additional data drives and not the boot drive.
- [20] HP Support Assistant: Requires Windows and Internet access.
- [21] HP Smart Support requires HP TechPulse to be installed. For more information about how to enable or to download HP Smart Support, please visit http://www.hp.com/smart-support .
- [22] HP Sure Click requires Windows 10 Pro or higher or Enterprise. See https://bit.ly/2PrLT6A_SureClick for complete details.
- [23] HP Sure Sense is available on select HP PCs with Windows 10 Pro, Windows 10 Enterprise, Windows 11 Pro, or Windows 11 Enterprise OS.
- [24] HP Sure Start Gen7 is available on select HP PCs and requires Windows 10 and higher.
- [25] HP Sure Admin requires Windows 10 or higher, HP BIOS, HP Manageability Integration Kit from http://www.hp.com/go/clientmanagement and HP Sure Admin Local Access Authenticator smartphone app from the Android or Apple store.
- [26] HP BIOSphere Gen6 features may vary depending on the platform and configuration.
- [27] For the methods outlined in the National Institute of Standards and Technology Special Publication 800-88 "Clear" sanitation method. HP Secure Erase does not support platforms with Intel® Optane™.
- [28] Absolute firmware module is shipped turned off and can only be activated with the purchase a license subscription and full activation of the software agent. License subscriptions can be purchased for terms ranging multiple years. Service is limited, check with Absolute for availability outside the U.S. Certain conditions apply. For full details visit: https://www.absolute.com/about/legal/agreements/absolute/.
- [29] Wireless access point and internet service required and sold separately. Availability of public wireless access points limited. Wi-Fi 6 is backwards compatible with prior 802.11 specs.
- [30] Wi-Fi 6E requires a Wi-Fi 6E router, sold separately, to function in the 6GHz band. Availability of public wireless access points limited. Wi-Fi 6E is backwards compatible with prior 802.11 specs. And available in countries where Wi-Fi 6E is supported.
- [31] Only 35 W processors are offered.
- [32] Platform power consumption varies per configuration, for the best user experience, please connect PC power cord while using USB-C® cable via Super Speed USB Type-C® port in the rear side of the platform.
- [63] TCO Certified is an ISO 14024 Type 1 sustainability label for IT products. Compliance with all criteria is independently verified.
