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HP

HP ProDesk 400 G9 SFF Business Desktop, 14th Gen Intel Core i5-14500, 16GB DDR5, 512GB SSD,Wi-Fi, HDMI, DP, RJ-45, Support 2-Monitor 4K, Wired Keyboard & Mouse, Windows 11 Pro, 64GB Flash Drive Bundle

  • Based on 52 reviews
Condition: New
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Availability: In Stock.
Fulfilled by PCOnline US
Arrives Sunday, Aug 16
Order within 18 hours and 33 minutes
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Size: 16GB RAM | 512GB SSD


Style: ProDesk


Features

  • [Superior Storage and Multitasking] 16GB High-Bandwidth DDR5 RAM is equipped to smooth multitasking across applications and browser tabs; 512GB PCIe NVMe M.2 Solid State Drive ensures fast bootups and rapid data transfers
  • [Ultimate Multitasking]Powered by Intel Core i5-14500 (14 Cores, 20 Threads, 24MB L3 Cache, Base Frequency at 2.6 GHz, Up to 5.0 GHz at Max Turbo Frequency), delivering reliable and responsive performance for everyday computing with Intel UHD Graphics
  • [Technical Specifications] 8 x USB Type-A, 2 x USB Type-C, 2 x Mic-In/Headphone-Out Combo, 1 HDMI-in, 1 x RJ45, 1 x Full Size DP Port and Wi-Fi ports make it easy to connect external displays and peripherals for seamless productivity.
  • [Outstanding Screen Performance] Windows 11 Pro - Organize open apps with pre-configured layouts to optimize productivity, Navigate with more intuitive experience to get things done, Collaborate with teams with more features
  • [Professional Upgrade] The original seal has been opened solely for upgrading purposes. A 1-year warranty on the upgraded RAM/SSD is provided by PCOnline US, while the remaining components retain the original 1-year manufacturer's warranty
  • [Comprehensive Performance Bundle] Bundle includes A-DATA UC310 64GB USB Flash Drive (White), providing convenient, high-speed data storage and transfer. Perfect for backing up files, sharing documents, and expanding portable storage for work, study, or travel.

Brand: HP


Operating System: Windows 11 Pro


CPU Model: Intel Core i5


CPU Speed: 2.6 GHz


Cache Size: 16 GB


Graphics Card Description: Integrated


Graphics Coprocessor: Intel UHD Graphics


Memory Storage Capacity: 512 GB


Specific Uses For Product: Business


Personal computer design type: Mini PC


Operating System: Windows 11 Pro


Specific Uses For Product: Business


Personal Computer Design Type: Mini PC


Color: Black


Additional Features: Wi-Fi 6


Hard Disk Description: SSD


Hardware Interface: DisplayPort, Ethernet, HDMI, USB


Item Dimensions: 10.6 x 3.7 x 12.1 inches


Video Output Interface: HDMI, DisplayPort


Hard Disk Interface: PCIE x 4


Style Name: ProDesk


Cooling Method: Air


Compatible Devices: Keyboard, Mouse


Total Expansion Slots Quantity: 10


Video Output: HDMI, DisplayPort


Cache Memory Installed Size: 16 GB


Memory Storage Capacity: 512 GB


RAM Memory Installed: 16 GB


RAM Memory Technology: DDR5


Ram Memory Maximum Size: 64 GB


Memory Speed: 4800 MHz


RAM Type: DDR5 RAM


Memory Clock Speed: 4800 MHz


Memory Slots Available: 2


Display Resolution Maximum: 3840x2160


Display Type: External UHD


Aspect Ratio: 169


Resolution: 3840 x 2160


Native Resolution: 3840 x 2160


Human-Interface Input: Mouse


Keyboard Description: US


Keyboard Layout: QWERTY


Brand: HP


Model Number: A70PJUT#ABA


Model Name: A70PJUT#ABA


Built-In Media: Mouse


Processor Brand: Intel


Model Year: 2024


CPU Model Number: 14500


Warranty Description: 1 Year Manufacturer


Video Processor: Intel


UPC: 195122922528


Manufacturer: HP Inc.


Graphics Description: Integrated


Graphics Coprocessor: Intel UHD Graphics


Graphics Ram Type: Shared


Graphics Card Interface: Integrated


Processor Series: Intel Core i5


Processor Speed: 2.6 GHz


Processor Socket: BGA


Processor Count: 14


CPU Model Speed Maximum: 5 GHz


Total Usb Ports: 9


Total Number of HDMI Ports: 1


Number of Component Outputs: 2


Connectivity Technology: Ethernet


Wireless Compability: 802.11ac


Wireless Technology: Wi-Fi


Wireless Network Technology: Wi-Fi


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Aug 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Read me.
Size: 16GB RAM | 512GB SSD Style: ProDesk
I have had this computer over a year. It is great to have windows Pro and product key included. Operating system is great. Windows 11 is a breeze. Its got bit locker as well. Its got the perfect amounts of ports all most up to date. Happy sailing.
Reviewed in the United States on December 7, 2025 by tyson
    • Good value
Size: 16GB RAM | 512GB SSD Style: ProDesk
It has done everything we needed it to do for the last year for a home office worker. Very inexpensive but a quality mini desktop and the very picky worker even liked the feel of the keyboard and mouse. We were very pleased with this purchase.
Reviewed in the United States on November 4, 2025 by William M.
    • ice small computer. Worked after a call to their support about licensing.
Size: 16GB RAM | 512GB SSD Style: ProDesk
Worked fine. We had a problem with the Windows license but a call to the seller through Amazon support got the corrected license code and it works just fine. Nice small form factor. Does everything it is supposed to. Quiet operation.
Reviewed in the United States on October 26, 2025 by S. J. Miller
    • Junk - don’t buy it
Size: 16GB RAM | 512GB SSD Style: ProDesk
Absolute garbage! This thing is soooo slow! My other computer with i5 processor is fast. This thing doesn’t even work when I plug it in directly to my LAN. I expected better from HP. Never again!
Reviewed in the United States on May 28, 2025 by RD
    • Great price
Size: 16GB RAM | 512GB SSD Style: ProDesk
I' ve only had this computer for one week, but I'm very happy with the HP ProDesk 400 G9 Mini Business Desktop I use to remotely work from home. What's to like? Great price. Easy setup. I really like Windows 11 and the faster Wifi 6. The computer comes with 1 hdmi port and 2 display ports. I use two monitors that use hdmi cables. So, to connect my second monitor, I bought a hdmi to display port cable that worked great and I plugged my speakers into one of the monitors. This is so much better and I love the snall size. I was a little concerned a mini computer wouldn't be good enough, but so far this one is for me. What don't I like: very minor, personally I don't like plugging the mouse in the front of the computer, but the rear is used for other devices. No bigger. ... show more
Reviewed in the United States on January 26, 2025 by Barb
    • It froze up in the process of setting up. I sent it back and got charged over $50.00 restocking fee.
Size: 16GB RAM | 512GB SSD Style: ProDesk
I didn't get a chance to find out if I liked it or not. It froze up in the process of setting up. Sent it back and got over $50.00 in a restocking fee. No acceptable!!!!
Reviewed in the United States on December 9, 2024 by Carolyn S.
    • Great device
Size: 16GB RAM | 512GB SSD Style: ProDesk
Just what the doctor ordered.
Reviewed in the United States on April 8, 2025 by Seabee1968
    • Powerful little machine
Size: 16GB RAM | 512GB SSD Style: ProDesk
I bought it more than a year ago. Loaded Linux on it and use it for c++ and python development. I’m impressed with this little device. I replaced the SSD with a 4Tb SSD. The processor is quite powerful. Stick with the i5-14500T processor. It’s faster than the i7-12700 processor. I like how it uses minimal power yet it’s so powerful for its size ! ... show more
Reviewed in the United States on April 2, 2026 by Oldman

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