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Black small-form-factor desktop tower with front USB-C and USB-A ports

HP

HP ProDesk 400 G9 SFF Desktop PC, Core i7-14700, 16GB DDR5, 1TB SSD, Windows 11 Pro, Black

SKU CH-NVAJ-PM6GQ

A compact business desktop with a 20-core Intel Core i7-14700 processor, 16GB DDR5 memory, 1TB SSD storage, triple-display support via HDMI 1.4 and DisplayPort, Wi-Fi 5 connectivity.

  • ProcessorIntel Core i7 14th Gen
  • RAM capacity16 GB DDR5
  • SSD storage1 TB PCIe
  • GraphicsIntel UHD Graphics 770
  • CPU modelIntel Core i7-14700
  • Wi-Fi standardWi-Fi 5

Configuration 16GB RAM · 1TB SSD

  • Enterprise-grade speed from 20-core Intel Core i7-14700 processor
  • Seamless multitasking with 16GB high-bandwidth DDR5 memory
  • Rapid boot-ups and extensive storage via 1TB SSD
  • Triple monitor productivity using DisplayPort and HDMI 1.4 outputs
  • Space-saving SFF chassis fits cramped desks with built-in Wi-Fi 5

Business SFF desktop for professional workloads

The HP ProDesk 400 G9 is a small-form-factor desktop built for office and business environments. It ships with Windows 11 Pro and includes a wired keyboard and mouse combo for immediate deployment. The compact chassis fits on crowded desks or retail counters while providing front and rear USB connectivity plus integrated Wi-Fi 5.

16GB DDR5 4800 memory and 1TB SSD capacity

The system comes with 16GB of DDR5 4800 RAM configured as two 8GB modules and a 1TB solid-state drive. The platform supports up to 64GB of DDR5 memory and up to 2TB of PCIe NVMe M.2 storage for future expansion. Current memory and storage handle typical business multitasking, large spreadsheets, and rapid boot cycles.

Intel Core i7-14700 with UHD Graphics 770

The 20-core, 28-thread processor runs at a 2.10GHz base frequency and reaches 5.40GHz max turbo with 33MB L3 cache. Integrated Intel UHD Graphics 770 drives up to three independent displays via rear DisplayPort 1.4 and HDMI 1.4 outputs. Buyers needing discrete graphics performance or more than three monitors should consider other configurations.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $785.99
Pricier than about 69% of the 14,711 comparable items (median $494.99).
RAM capacity 16 GB DDR5
Typical for this category: the median of 13,125 items is 16 GB.
SSD storage 1 TB PCIe
Higher than about 60% of the 11,342 comparable items (median 512 GB).

Specifications

Product
Brand nameHP
Product lineProDesk
Model name400
Product typeBusiness Desktops & Workstations
Recommended useWork / Business
Product colorBlack
Processor
ProcessorIntel Core i7 14th Gen
CPU modelIntel Core i7-14700
Turbo clock speed5.4 GHz
Base clock speed2.1 GHz
L3 cache per CPU33 MB
Memory
RAM capacity16 GB DDR5
RAM type and speedDDR5 4800
Memory configuration8 GB x 2
Total memory slots2
Free memory slots2
Memory slots2 total
Max supported RAM128 GB
Storage
SSD storage1 TB PCIe
Graphics
GraphicsIntel UHD Graphics 770
Audio & video
Audio chipIntegrated
Connectivity
Wi-Fi standardWi-Fi 5
Network speed10/100/1000 Mbit/s
Ethernet controllerIntegrated
Wi-Fi802.11ac Wireless LAN
Bluetooth supportYes
Ports & slots
Front USB ports4
Front audio jacks1
Video connectors1 Display Port, 1 HDMI
Rear USB ports5
Ethernet port1 port
Rear audio jacks1 port
Size & build
Form factorSlim/Small Form Factor
Overall dimensions12.1 in × 10.6 in × 3.7 in
Product weight9.25 lb (4.2 kg)
Compatibility
Windows 11 supportReady
In the box
Pointing deviceWired Mouse
Software
Operating systemWindows 11 Pro
More details
Cooling methodAir Cooling
Keyboard typeWired Keyboard

Other versions of this model

5 more in the same range

Questions about this item

Will my existing DisplayPort 1.2 monitors work with the Intel UHD 770 graphics on this ProDesk?

Yes, the rear DisplayPort and HDMI 1.4 ports drive up to three 4K displays, so older DP 1.2 screens connect without adapters and run at their native resolution.

How can I confirm the 20-core i7-14700 is hitting its 5.4 GHz turbo under load?

Open Task Manager’s Performance tab or run Intel’s Processor Diagnostic Tool; both report real-time core speeds and will show the 5.4 GHz peak when thermal headroom allows.

Does the box include the wired keyboard and mouse combo shown in the photos?

The bundle ships with a wired USB keyboard and mouse, a 64 GB USB flash drive, and the power cord — no extra purchases are required for basic operation.

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