Fall Savings Event
Save up to 73% on our latest tech, and enjoy FREE shipping on all orders.
Plus, complete your order with HP Financing at checkout.

Special Offers

FREE Storewide Shipping | Complete your PC setup and save! | Get $75 off select monitors with purchase of any PCs.

Learn more

ENERGY STAR | New | Business

HP Pro Mini 400 G9 Desktop PC

  • Windows 11 Pro
  • Intel® Core™ i7-14700T (up to 5.0 GHz Max Turbo frequency, 33 MB L3 cache, 20 cores, 28 threads)
  • 16 GB memory; 512 GB SSD storage
  • Intel® UHD Graphics 770See all Specs

3% back in HP Rewards
Protect your Device with an HP Care Pack
Product # AJ5A4UA#ABA
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.

Latest Intel® processor

Accomplish everything from minor tasks to complex projects with the latest Intel® processor.[2]

Flex ports for easy expansion

Configure or expand your Mini your way with flex ports for legacy or clean desk connectivity.

Protected by HP Wolf Security

HP Wolf Security for Business creates a hardware-enforced, always-on, resilient defense.[4]

Help protect our shared future

A high-efficiency power supply and molded-pulp packaging6 help reduce the impact on the environment.[6]

Copilot in Windows 11 - Get answers, inspiration, and summaries.

Find the relevant information and ideas you need to power your own ingenuity. Copilot in Windows 11 can deliver answers that are more relevant to you.

Windows 11

Work anywhere without compromising on performance or security with Windows 11 powered by HP's collaboration and connectivity technology.

Latest Intel® multi-core processor

Configure your HP Pro Mini 400’s CPU for the perfect combination of power, snappy performance, and value. With the latest Intel® processor, handle multiple work tasks smoothly and reliably with multiple processing cores to divide up the work.[2]

Security is your top priority

The HP Wolf Pro Security Edition provides preconfigured enterprise-level PC protection for small and medium sized businesses.[1]

Advanced wireless connectivity

Get a premium connectivity experience, even in crowded wireless networks, with a fast, reliable wireless connection. This Pro Mini 400’s gigabit data rate Wi-Fi 6E wireless LAN module supports HP Extended Range Wireless LAN.[3]

Automatic recovery from firmware attacks

Firmware attacks can completely devastate your PC. Stay protected with HP’s self-healing BIOS - HP Sure Start Gen7 automatically recovers the BIOS from malware, rootkits, or corruption.

Work without interruption

Keep productivity high and downtime low with the fully integrated and automated features of the HP BIOSphere Gen6 firmware ecosystem. Your PCs have extra protection thanks to automatic updates and security checks.[5]

Browse confidently

Help protect your PC from websites and read only Microsoft Office and PDF attachments with embedded malware, ransomware, or viruses with hardware-enforced security from HP Sure Click.[7]

Erase your drive

HP Secure Erase removes the contents of a hard drive for repurposing or reassignment.[8]

Simple PC management

Spend less time and get right to the updates you need with HP Support Assistant.[9]

Speed up the basics of IT management

Deploy the HP Manageability Integration Kit to help speed up image creation and the management of hardware, BIOS, and security when managing devices through Microsoft Endpoint Manager.[10]

Technical details

Operating system

Windows 11 Pro

Processor

Intel® Core™ i7-14700T (up to 5.0 GHz Max Turbo frequency, 33 MB L3 cache, 20 cores, 28 threads)[6,7]

Chipset

Intel® Q670 (vPro®)

Graphics

Integrated: Intel® UHD Graphics 770

Memory

16 GB DDR5-4800 MHz RAM (1 x 16 GB)

Memory slots

2 DIMM

Hard drive

512 GB PCIe® Gen4 NVMe™ TLC M.2 SSD

Wireless technology

Intel® Wi-Fi 6E AX211 (2x2) and Bluetooth® 5.3 wireless card

Power supply

90 W external power adapter, up to 89% efficiency, active PFC

External I/O Ports

Front : 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
Rear : 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
1 DisplayPort™

Expansion slots

1 M.2 2230; 1 M.2 2280

1 M.2 slot for WLAN and 1 M.2 2280 slot for storage.

Energy efficiency

EPEAT® registered

ENERGY STAR® certified

Audio Features

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

Form factor

Mini

Pointing device

HP 125 Wired Mouse

Keyboard

HP Wired Desktop 320K Keyboard

Dimensions (W X D X H)

6.97 x 6.89 x 1.34 in

Weight

3.13 lb

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.

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

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

Security software license

HP Wolf Pro Security Edition (1 year)

Offers

FREE Storewide Shipping

HP offers free standard shipping storewide

Complete your PC setup and save!

Get $60 off select Poly accessories with purchase of any PC.

Get $75 off select monitors with purchase of any PCs.

Fall Savings Event

Hurry, these deals end soon. FREE shipping storewide.

  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getAggregateRating, 9ms
  • REVIEWS, PRODUCT
  • bvseo-msg: The resource to the URL or file is currently unavailable.;
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getReviews, 7ms
  • REVIEWS, PRODUCT
  • bvseo-msg: The resource to the URL or file is currently unavailable.;
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getContent, 17ms
  • QUESTIONS, PRODUCT
  • bvseo-msg: The resource to the URL or file is currently unavailable.;

SIMILAR PRODUCTS

Return and exchange information
HP.com will accept returns or exchanges for this product up to 30 days after delivery. A restocking fee may apply. For details, please visit: https://www.hp.com/us-en/shop/cv/returnsandexchanges.