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SKU: E7WP6PA

HP Pro SFF 400 G9 Desktop PC (8Y4T3AV)

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Key features

  • BIOS management over the network
  • Browse confidently
  • Automatic recovery from firmware attacks
  • HP Sure Sense
  • Erase your drive
  • Simple PC management
  • Speed up the basics of IT management

Technical specifications

Product

UPC number 704683044633
Product type Desktops
Subcategory Desktop and All-in-One
Product brand name HP
UNSPSC code 43211507

Processor

Chipset Intel® Q670

Memory

Memory Slots 2 DIMM

Storage

Internal drive bays One (3.5) 8.89 cm HDD

Camera and audio

Audio Realtek ALC3252 codec, universal audio jack with CTIA and OMTP headset support

Ports

Ports 1 audio-out; 1 power connector; 1 RJ-45; 1 HDMI 1.4; 3 SuperSpeed USB Type-A 5Gbps signaling rate; 1 DisplayPort™ 1.4; 2 USB Type-A 480Mbps signaling rate

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

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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) 27 x 9.5 x 30.8 cm
Weight 4.2 kg
Weight note (metric) Exact weight depends on configuration.

Package

Package dimensions (W x D x H) 39.4 x 20.5 x 49.9 cm
Package weight 7.25 kg

Warranty and service

Support service included HP 5 year Next Business Day Onsite Desktop Hardware Support. For terms and conditions, please visit https://h20195.www2.hp.com/v2/GetPDF.aspx/4AA5-6385EEIN & https://www8.hp.com/h20195/v2/getpdf.aspx/4AA5-7123EEIN.pdf

Other

Registration required No
Series name HP Pro SFF 400 G9
Sub brand Pro
TCO Certified TCO Certified, generation 9
Expansion slots 1 M.2 2230; 1 M.2 2280; 1 PCIe 3 x1; 1 PCIe 4 x16
Expansion slots note 1 M.2 2230 slot for WLAN or storage 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 Small form factor
Headline Protected by HP Wolf Security
Key selling point Increase productivity and tackle a range of workflows with video ports supporting up to three displays.[3]
Image legal disclaimer Product image may differ from actual product
Legal disclaimer [01] [1] 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.
Legal disclaimer [02] [4] HP Sure Click requires Windows 10 and higher. See https://bit.ly/2PrLT6A_SureClick for complete details.
Legal disclaimer [03] [5] HP Sure Start Gen7 is available on select HP PCs and requires Windows 10 Pro and higher.
Legal disclaimer [04] [7] HP Sure Sense is available on select HP PCs with Windows 10 Pro, Windows 10 Enterprise, Windows 11 Pro, or Windows 11 Enterprise OS.
Legal disclaimer [05] [8] 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 [06] [10] Internet access required.
Legal disclaimer [07] [11] 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 SFF 400 Desktop provides users in hybrid work environments with the commercial-grade configuration options and connectivity in a space-saving design. This PC is powered by the latest Intel® processor[2] and protected with always-on security you can trust.
Product description for SEO One of the best commercial-grade desktops from HP for performance and security for the growing needs of business—in a convenient, compact chassis.
Company HPI
Code name Jenga
Product long name HP Pro Small Form Factor 400 G9 Desktop PC
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; Absolute Persistence module; HP Sure Admin; HP Tamper Lock; HP Sure Start Gen7; HP Sure Sense2
Management features HP Client Catalog (download); HP Driver Packs (download); HP Image Assistant (download); HP Client Management Script Library (download); HP Manageability Integration Kit Gen 4 (download)
Product classification flag Standard HP Product
Tangible flag Y
Ideal for HP Pro 400 Series desktops provide businesses with durable, reliable, commercial-grade performance, strong security, and configurability required for day-to-day mainstream enterprise and SMB productivity.
Material Type for item FERT
Notes and footnotes
  1. [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.
  2. [3] Two standard video ports included with an optional third flex port configurable at the time of purchase.
  3. [1] Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows is automatically updated and enabled. High speed internet and Microsoft account required. ISP fees may apply and additional requirements may apply over time for updates. See http://www.windows.com .
  4. [6] 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.
  5. [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. [3] For DDR5 Memory: memory modules support data transfer rates up to 5600/MTs requires selected i5, i7 or i9 CPUs. Memory configuration without selected CPUs support data transfer rates up to 4800 MT/s. Actual data rate is determined by the system's configured processor. See processor specifications for supported memory data rate. All memory slots are customer accessible / upgradeable.)
  7. [4] All memory slots are customer accessible / upgradeable.
  8. [5] For hard drives and solid state drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 36 GB (for Windows) of system disk is reserved for the system recovery software.
  9. [9] Molded Pulp cushions made from 100% recycled wood fiber and organic materials.
  10. [6] Sold separately or as an optional feature. With Blue-Ray, certain disc, digital connection, compatibility and/or performance issues may arise, and do not constitute defects in the product. Flawless playback on all systems is not guaranteed. In order for some Blu-ray titles to play, they may require a DVI or HDMI digital connection and your display may require HDCP support. HD-DVD movies cannot be played on this PC. Don't copy copyright-protected content.
  11. [7] HP Manageability Integration Kit can be downloaded from http://www.hp.com/go/clientmanagement.
  12. [8] 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 .
  13. [9] HP Quick Drop requires Internet access and Windows 10 PC preinstalled with HP QuickDrop app and either an Android device (phone or tablet) running Android 7 or higher with the Android HP QuickDrop app, and /or an iOS device (phone or tablet) running iOS 12 or higher with the iOS HP QuickDrop app.
  14. [10] HP Support Assistant: Requires Windows and Internet access.
  15. [11] SD 4.0 with 5-in-1 Interface (Supports SD, SDXC, SDHC, UHS-I, UHS-II). Sold separately or as an optional feature.
  16. [12] Intel® I225-T1 PCIe® 2.5 GbE: Sold separately or as an optional feature.
  17. [13] Wireless access point and internet service required. Availability of public wireless access points limited. Wi-Fi 5 (802.11 ac) is backwards compatible with prior 802.11 specs.
  18. [14] Sold separately or as an optional feature.
  19. [15] Availability may vary by country (Antimicrobial China only)
  20. [16] HP Sure Sense is available on select HP PCs and is not available with Windows10 Home.
  21. [17] HP BIOSphere Gen6 features may vary depending on the platform and configuration.
  22. [18] HP Secure Erase 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™.
  23. [19] HP Sure Click requires Windows 10 Pro or higher or Enterprise. See https://bit.ly/2PrLT6A_SureClick for complete details.
  24. [20] HP Sure Start Gen7 is available on select HP PCs.
  25. [21] 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. [22] 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/.
  27. [23] HP Wolf Security for Business requires Windows 10 or higher, includes various HP security features and is available on HP Pro, Elite, RPOS and Workstation products. See product details for included security features and OS requirement.
  28. [7] EPEAT®? registered where applicable. EPEAT®? registration varies by country. See http://www.epeat.net for registration status in your country.
  29. [24] 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. [25] The HP 400 G9 TWR/SFF requires Intel ® Core ™ processor with DDR5 memory modules to support Wi-Fi 6E and 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. Available in countries where Wi-Fi 6E is supported. Wi-Fi 6E is backwards compatible with prior 802.11 specs. And available in countries where Wi-Fi 6E is supported. For HP 400 G9 TWR/SFF without Intel ® Core ™ processors and DDR5 memory modules, the product does not support Wi-Fi 6E standard and does not operate under 6GHz band. The products are compatible with 6GHz and other routers, sold separately, which have capability to operate in 2.4GHz and 5GHz, in compliance with Wi-Fi 6 and prior 802.11 specs. The actual throughput depends on network condition and router configuration. Internet service required and public wireless access points are limited.
  31. [26] Based on US EPEAT® registration according to IEEE 1680.1-2018 EPEAT®. Status varies by country. Visit www.epeat.net for more information.
  32. [27] 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.
  33. [29] 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.
  34. [31] 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.
  35. [32] 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
  36. [33] Some functionality of vPro, such as Intel Active Management Technology and Intel Virtualization technology, requires additional 3rd party software in order to run. Availability of future "virtual appliances" applications for Intel vPro technology is dependant on 3rd party software providers. Compatibility with future "virtual appliances" is yet to be determined.
  37. [35] Flex Port and Add-on Card are optional and must be configured at time of purchase. Max of one Flex Port and one Add-on Card can be configured.
  38. [36] 256 GB TLC M.2 SSD only available with 12th gen CPUs.
  39. [37] T400 2 GB is only avaiable with 12th gen CPUs.
  40. [38] Optional vPro® Essentials or vPro® Enterprise.
  41. [39] All power supplies for the HP Pro SFF 400 G9 Desktop PC support Input Voltage: 100-240 Vac 50/60Hz.
  42. [63] TCO Certified is an ISO 14024 Type 1 sustainability label for IT products. Compliance with all criteria is independently verified.

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