HP Pro Mini 400 G9 Desktop PC
ENERGY STAR | Business
HP Pro Mini 400 G9 Desktop PC
ENERGY STAR | Business
HP Pro Mini 400 G9 Desktop PC
ENERGY STAR | Business
HP Pro Mini 400 G9 Desktop PC - Customizable
Business
HP Pro Mini 400 G9 Desktop PC
ENERGY STAR | Business
HP Pro Mini 400 G9 Desktop PC
ENERGY STAR | Business
HP Pro Desktops and AiO
Make a smart investment and stay productive!
Desktops for your growing business
HP 400 series
Power through your day with the perfect combination of performance, expandability, and security—smartly priced.
Latest 13th Gen Intel® Core™4 processors
Multiple flex ports for easy expansion
Protected by HP Wolf Security6
Simple All-in-One design, optimized for productivity
HP ProOne 440 G9 All-in-One
Stay productive with a versatile All-in-One PC featuring built-in collaboration, manageability, and security.
23.8-inch diagonal display with up to Full HD7 resolution
5MP camera with HP Auto Frame2
HP Wolf Security for Business6
Meet the Pro Desktop PC family

HP Pro Mini 400 G9 Desktop PC
Stay competitive with commercial-grade productivity features in an ultra-small chassis.
- Comes with Windows 11 Pro
- HP recommends Windows 11 Pro for Business*
- Latest 13th Gen Intel® processor4
HP Pro Mini 400 G9 Desktop PC
Stay competitive with commercial-grade productivity features in an ultra-small chassis.
- Comes with Windows 11 Pro
- HP recommends Windows 11 Pro for Business*
- Latest 13th Gen Intel® processor4
- 6.97 x 6.89 x 1.35 in (17.7 x 17.5 x 3.4 cm)
- Up to 64GB DDR5 memory4
- Up to 2TB HDD; up to 2TB SSD
- Integrated Intel UHD graphics9

HP Pro SFF 400 G9 Desktop PC
The capable HP Pro SFF 400 features strong security and performance to make the most of your technology investment.
- Comes with Windows 11 Pro
- HP recommends Windows 11 Pro for Business*
- Latest 13th Gen Intel® processor4
HP Pro SFF 400 G9 Desktop PC
The capable HP Pro SFF 400 features strong security and performance to make the most of your technology investment.
- Comes with Windows 11 Pro
- HP recommends Windows 11 Pro for Business*
- Latest 13th Gen Intel® processor4
- 11.9 x 10.6 x 3.7 in (30.23 x 26.92 x 9.40 cm)
- Up to 128GB DDR4 memory4
- Up to 2TB HDD; up to 2TB SSD
- Integrated Intel® UHD graphics, optional NVIDIA™ T400 AMD RX6300 graphics9
Features

Windows 11 Pro
Power through your day with Windows 11 Pro10 and powerful security, collaboration, and connectivity features from HP.

Processor
Power through your day with the latest 13th Gen Intel® Core™ processor4 that lets you handle multiple tasks smoothly.

Reliability
Designed to pass 120,000 hours of HP Total Test Process11, and undergoes MIL-STD 810 testing12.

Wi-Fi 6E connection
Get a fast and reliable connection in dense wireless environments with gigabit data rate Wi-Fi 6E13,14.

HP Sure Sense
Prevent attacks by never-before-seen malware by harnessing the power of AI deep learning15.

Sustainability
The HP ProOne 440 uses 5 percent ocean-bound plastics17 in the speaker enclosure and the outer box packaging is 100 percent sustainably sourced and recyclable16.

Engineered for security
Cybercriminals are more sophisticated, organized, and determined than ever, and they have their sights set on your endpoints. HP Wolf Security for Business6 is always-on and always watching, to help ensure you and your team stay protected.
Learn
110 million+ ocean-bound plastic bottles retrieved and reused in HP products18
We're keeping materials in use (and out of the ocean) by incorporating closed-loop and ocean-bound recycled
plastics into a wide range of our products. Discover our process
Learn
Digital equity
74 million people have benefited from HP education programs since 2015.19
Tomorrow's agents of change are leveling up today. We're helping create those opportunities with HP LIFE and many more educational initiatives.
Learn
Complete your experience



HP Active Care
A complete suite of device protection, support, and repair services that help IT ensure optimal employee uptime and faster resolution support on HP devices.
LearnFootnotes and disclaimers
* 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.
- Color light sensor requires Windows 10 or higher and is only available with 5MP infrared camera, which is an optional feature that must be configured at the time of purchase.
- Auto face framing requires Windows 10 or higher and the 5MP camera, which is an optional feature that must be configured at the time of purchase.
- Requires the myHP application.
- 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.
- 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. AMD's numbering is not a measurement of clock speed.
- HP Wolf Security for Business requires Windows 10 or 11 Pro and higher, includes various HP security features and is available on HP Pro, Elite, Workstation, and RPOS products. See product details for included security features and OS requirements.
- Full high-definition (FHD) content required to view FHD images.
- Requires Windows 10 or higher.
- Optional feature that must be configured at the time of purchase.
- Not all features are available in all editions or versions of Window. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows 10 is automatically updated, which is always enabled. ISP fees may apply and additional requirements may apply over time for updates. See http://www.windows.com.
- HP Total Test Process testing is not a guarantee of future performance under these test conditions. Accidental damage requires an optional HP Accidental Damage Protection Care Pack.
- MIL STD 810 testing is pending and is not intended to demonstrate fitness for U.S. Department of Defense contract requirements or for military use. Test results are not a guarantee of future performance under these test conditions. Any accidental damage requires an optional HP Accidental Damage Protection Care Pack.
- 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.
- Wi-Fi® supporting gigabit data rate is achievable with Wi-Fi 6E (802.11ax) when transferring files between two devices connected to the same router. Requires a wireless router, sold separately, that supports 160MHz channels.
- HP Sure Sense is available on select HP PCs with Windows 10 Pro, Windows 10 Enterprise, Windows 11 Pro, or Windows 11 Enterprise OS.
- 100% outer box packaging made from sustainably sourced certified and recycled fibers. Fiber cushions made from 100% recycled wood fiber and organic material. Any plastic cushions are made from >90% recycled plastic.
- Speaker enclosure component contains 5 percent ocean-bound plastic by weight.
- Not all products are available in all countries.
- We enable better learning outcomes by supporting education through provision of learning and digital literacy programs and solutions. Our programs aim to accelerate digital equity through providing access to at least one of the following: hardware, connectivity, content, or digital literacy.
Offers subject to change, not combinable with all other offers, and exclusions may apply, while supplies last. HP may impose a purchase quantity limit (for example, 3 units per order). Taxes, shipping, and other fees may apply as applicable. HP reserves the right to cancel orders arising from pricing or other errors. Prices, specifications, availability, and terms of offers may change without notice. Price protection, price matching or price guarantees do not apply to Intra-day, Daily Deals or limited-time promotions. These terms apply only to products sold by HP.com; reseller offers may vary. Items sold by HP.com are not for immediate resale. Orders that do not comply with HP.com terms, conditions, and limitations may be cancelled. Contract and volume customers not eligible.
HP’s MSRP is subject to discount. HP’s MSRP price is shown as either a stand-alone price or as a strike-through price with a discounted or promotional price also listed. Discounted or promotional pricing is indicated by the presence of an additional higher MSRP strike-through price.
Microsoft and Windows are US registered of Microsoft Corporation. Ultrabook, Celeron, Celeron Inside, Core Inside, Intel, Intel Logo, Intel Atom, Intel Atom Inside, Intel Core, Intel Inside, Intel Inside Logo, Intel vPro, Itanium, Itanium Inside, Intel Evo, Intel Optane, Iris, Itanium, MAX, Pentium, Pentium Inside, vPro Inside, Xeon, Xeon Phi and Xeon Inside are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries.
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.
Earn HP Rewards on select products from the following categories: Laptops, Desktops, Printers, Business PC’s, select Accessories, and select Ink, Toner & Paper. Exclusions apply, and program membership required. See details HP Rewards
The personal information you provide will be used according to the HP Privacy Statement
Coupon CPCDAMSRP20 20% off valid on HP.com internet, mobile, and Call Center purchases only. Coupon limited to two (2) eligible items in cart by a single customer email. Coupon valid from 12/3/2023 through 12/9/2023. Coupon valid on select consumer laptops, desktops, All-In-Ones, monitors, peripherals, and accessories except on excluded products. Any unused portion will be forfeited. Each coupon code limited to one use per customer, one code per checkout. Offer void where prohibited, taxed, or restricted by law. Non-transferable. Not retroactively valid on previously purchased items. Not valid for any resale activity as defined by HP.com. Coupons may not be used to purchase gift cards. May not be permitted with certain bundle offers. Products and support acquired by customer under these terms are solely for customer's personal use and not for immediate resale or sublicensing. Valid on HP.com, HP employee purchase programs, employee purchase programs, consumer, and business private stores. Not valid on all printers, all supplies (as defined by HP), and bundles. Coupon valid on the following products: 9SR37UT#ABA, 3FJ80AA, Z9H48AT#ABA, 9SR36UT#ABA, 6SG43UT, 6B8Y2AA, 4R009AA#ABA, 428K6UT, 5Z7E0AT, 6H1A5AA#ABA, N2Z63UT, 3L1E7AA#ABA, 6UW42UT, 1Y4D0UT#ABA, 4U9G9AA, 4U9G8AA, 53X26AA#ABL, 18H24AA#ABA, 600Q8AA#ABA, 6B8Y3AA, 6H1A4AA#ABA, 2JA63AA, 4Z7Z7AA, 616Y2AA#ABA, 6Y7L2AA#ABL, 3Z729AA#ABA, 50H98AA#ABL, 784Q9AA#ABA, 3B4Q5AA#ABA, 6E6F1AA#ABL, 1D0K9AA#ABL, 428K7UT, 1D0H6UT#ABA, G1K28AA#ABA, 1AJ39UT, T1A62UT, 3UU05AA, 265D9UT, 235N8AA#ABA, 3ML04AA#ABL, 3V1V2AA#ABL, 4X491AA#AC3, G6H45AA#ABA, 671R3UT#ABA, 2UN30AA#ABL, 1C1Y5AA#ABA, 4R184AA#ABL, 2V9E6AA#ABL, 6KD15AT, 2J875AA#ABL, 3J122AA#ABL, 7UH88AA#ABL, 7J595AA, 7J596AA, 7J597AA, 286H8UT#ABA, 7J594AA, 1P3K6UT#ABA, 4M0X5AA#ABL, 19U64AA#ABL, 26V63AA#ABL, 3V2X4AA#ABL, 1MZ01AA#ABA, 758A9AA#ABA, 286J1UT#ABA, 43N04AA#ABA, 43N05AA#ABA, 2PC54AA#ABL, X7W50AA#ABA, H6Y90UT#ABA, 1A215AA#ABL, H6Y89UT#ABA, 671R2AA#ABA, H4F02AA#ABA, 743T1AV_1, 77W47AV_1, 799J7AV_1, 7X8R5UA#ABA, 761Z2AV_1, 755C3AV_1, 76W27AV_1, 7M3S5UA#ABA, 74R53AV_1, 771X5AV_1, 8U7F1UA#ABA, 771T0AV_1, 7N4K9AV_1, 7X8R7UA#ABA, 76W28AV_1, 765S5AV_1, 70P73AV_1, 78G50AV_1, 7P8K6AV_1, 7X329UA#ABA, 841C9UA#ABA, 7Y8V1AV_1, 768R8UA#ABA, 7Y8V4AV_1, 7Y8X4AV_1, 794P5AV_1, 741Q9AV_1, 730S8AV_1, 841M7UA#ABA, 7F174AV_1, 7F1Z4UA#ABA, 77P01AV_1, 7G0E6UA#ABA, 7X9E9AV_1, 841M8UA#ABA, 4Z7X2AA, 4Z7X3AA, 4Z7X0AA, 519U0AA#ABA, 519U1AA#ABA, 4Z7X1AA, 4P5M9AA, 4Z7X4AA, 519T5AA#ABA, 51P68AA, 519T9AA#ABA, 519P1AA#ABA, 6X256AA, 6Y2G7AA, 6J680AA, 6J681AA, 6J682AA, 6J677AA, 6J679AA, 6J678AA, 6L366AA, 705L8AA, 4P5M6AA#ABL, 683L9AA, 70N24AA, 4P4F4AA, 4P4F7AA, 7D6H2AA, 4P4F5AA#ABA, 516L8AA, 4P5K0AA#ABL, 4S7T2AA, 4Z7X6AA, 4P4F1AA, 66X82AA, 4P5D8AA, 4P5D7AA, 4P5J1AA, 4P4F0AA, 4P5P2AA#ABA, 4P5P3AA#ABA, 4P5P1AA#ABA, 4P5L1AA#ABL, 727A8AA, 727A9AA, 66X81AA, 639N7AA#ABA, 639N8AA#ABA, 4P4F6AA#ABA, 4P5P0AA#ABA, 4P5N9AA#ABA, 4P5H6AA, 4P5L3AA, 639N5AA#ABA, 639N4AA#ABA, 639N3AA#ABA, 4P5K4AA, 77Z46AA, 77Z45AA, 75X30AA, 4P5K9AA, 77P41AA, 772K5AA, 84C19AA#ABA, 772C8AA, 772C9AA, 77T31AA#ABA, 77Y82AA#ABA, 77Y83AA#ABA, 77Y94AA, 77Y99AA, 76U50AA, 7K2F3AA, 82M86AA, 82M89AA, 77Y88AA, 77Y87AA, 7Y8H3AA, 7Y8G5AA, 780J4AA#ABA, 780K8AA#ABA, 780D9AA#ABA, 1F2J9AA#ABA, 34Y22AA#ABA, 2D9J9AA#ABA, 65P58AA#ABA, 65P62AA#ABA, 2H4B5AA#ABA, 65P56AA#ABA, 3G6W0AA#ABA, 65P64AA#ABA, 35D67AA#ABA, 3B1W4AA#ABA, 1Z978AA#ABA, 76D13AA#ABA, 780K0AA#ABA, 356D5AA#ABA, 2H1A4AA#ABA, 20W70AA#ABA, 22U58AA#ABA, 33P27AA#ABA, 4U9D5AV_1, 6M338AV_1, 6M9K9AV_1, 6M9S8AV_1, 6N0B3AV_1, 796M1AV_1, 7Y6Y8AA#ABA, 7Z6F2AA#ABA, 837N9AA#ABA, 64X66AA#ABA, 40Z29AA#ABA, 6N4E2AA#ABA, 64W30AA#ABA, 9VJ40AA#ABA, 64X69AA#ABA, 1B065AA#AC3, 6N4E8AA#ABA, 9VF96AA#ABA, 64W34AA#ABA, 6N6E6AA#ABA, 64X86AA#ABA, 453D2AA#ABA, 64W51AA#ABA, 3G828AA#ABA, 9VG12AA#ABA, 6N6F2AA#ABA, 50U19AA#ABA, 40Z26AA#ABA, 1C4Z6AA#ABA, 169L0AA#ABA, 1C4Z5AA#ABA, 1C4Z7AA#ABA, 4Q8N4AA#ABA, 189T3AA#ABA, 6N4D3AA#ABA, 1B9X2AA#ABA, 6N4D0AA#ABA, 1B9T0AA#ABA, 40Z32AA#ABA, 1A9M8AA#ABA, 3A6F7AA#ABA, 30A19AA#ABA, 1A9C9AA#ABA, 4Q8N9AA#ABA, 21Y56AA#ABA, 3Y0Q4A6#ABA, 6N4F1AA#ABA, 6N4C4AA#ABA, 6N4D6AA#ABA, 6N4C1AA#ABA. Contract and volume customers not eligible. These exclusions and Terms and Conditions are subject to change.