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Black HP ProDesk 400 G9 small-form-factor desktop tower, matte finish, front USB-C and USB-A ports visible

HP

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

SKU CH-9RN6-STV5E

Small-form-factor business desktop with a 20-core Intel Core i7-14700, 16 GB DDR5, 1 TB SSD, dual 4K display outputs, Wi-Fi 5, wired keyboard and mouse, plus a 64 GB flash drive

  • 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

  • 20 cores and 28 threads handle heavy workloads
  • 16 GB DDR5 4800 memory speeds multitasking
  • 1 TB SSD stores large project files
  • Dual 4K display support via HDMI 1.4 and DisplayPort
  • Compact 10.6 x 3.7 x 12.1 in SFF fits tight spaces

Business SFF desktop with 20-core i7-14700

This HP ProDesk 400 G9 is a Small Form Factor desktop built for business workloads. It runs Windows 11 Pro on an Intel Core i7-14700 processor with 20 cores and 28 threads. The system includes 16GB of DDR5 4800 memory in a dual-channel 8GB x 2 configuration and a 1TB SSD. Intel UHD Graphics 770 drives video output through rear DisplayPort and HDMI 1.4 ports.

Ready to use with wired peripherals and Wi-Fi 5

The unit arrives assembled with a wired keyboard and mouse included. Built-in Wi-Fi 5 handles wireless networking without extra hardware. Front I/O provides a headset jack, one USB Type-C at 10Gbps and three USB Type-A at 10Gbps. Rear I/O adds audio-out, RJ-45, three USB Type-A at 5Gbps, two USB Type-A at 480Mbps, HDMI 1.4 and DisplayPort. Air cooling manages thermals inside the compact chassis.

Suits office multitasking.

This desktop suits users who need strong multi-threaded CPU performance for spreadsheets, code compilation or multiple 4K displays. The SFF case and integrated graphics limit expansion for buyers who want a discrete graphics card or additional internal drive bays. The 16GB DDR5 configuration is fixed at two occupied slots. A bundled 64GB USB flash drive is included for portable file transfer.

How it compares

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

Price $777.99
Pricier than about 68% 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

How can I confirm the Intel Core i7-14700 is running at its 5.40 GHz turbo frequency after setup?

Open Task Manager, select the Performance tab, choose CPU, and watch the speed readout climb toward 5.40 GHz when a heavy workload is applied.

Which accessories are included and which must be purchased separately?

The box contains the SFF desktop, a wired keyboard, a wired mouse, and a 64 GB USB flash drive; a monitor and any additional cables are not included.

Should I choose the 16 GB DDR5 configuration or the 64 GB DDR5 option?

The 16 GB (2 × 8 GB) kit handles typical office multitasking; select the 64 GB version only if you regularly run large datasets, virtual machines, or memory-intensive creative workloads.

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