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Small black tower desktop with wired keyboard and mouse

HP

HP Pro 400 G9 Desktop PC i7-14700 16GB 2TB NVMe Win 11 Pro

SKU CH-DKWT-CWMJY

A compact desktop with an 18-core Intel Core i7-14700, 16GB DDR5 memory, 2TB NVMe storage and Windows 11 Pro for demanding multitasking

  • Screen sizeNo Screen
  • ProcessorIntel Core
  • Memory size16 GB DDR5
  • Storage drive2 TB
  • GraphicsIntel UHD Graphics
  • CPUIntel Core i7-14700
  • 20-core Intel i7-14700 reaches 5.4 GHz turbo for demanding workloads
  • 16 GB DDR5 at 4800 MHz handles multitasking smoothly
  • 2 TB NVMe SSD stores large project files and apps fast
  • Wi-Fi 6 and Gigabit Ethernet keep connections stable
  • Windows 11 Pro includes business-grade security and management tools

HP Pro 400 G9 Desktop PC

The HP Pro 400 G9 is a new small-form-factor desktop built for home-office and student workloads. It ships with an Intel Core i7-14700 processor, 16GB of DDR5 memory and a 2TB NVMe SSD, running Windows 11 Pro out of the box. A wired keyboard and mouse are included, while a monitor is not.

Thermals, noise and power

The system draws power from an internal 240W supply that feeds the 18-core CPU with a 5.4GHz turbo frequency and integrated Intel UHD Graphics. Integrated graphics keep the thermal load lower than discrete alternatives, helping the compact chassis run quietly during typical productivity tasks. Wi-Fi 6 and Gigabit Ethernet provide connectivity without adding significant heat.

Build fit and expansion

Two video outputs — HDMI and DisplayPort — support up to two external displays for expanded workspace. Four DDR5 slots allow memory upgrades up to 64GB, freeing headroom for heavier multitasking. The small form factor suits tight desk spaces, though the 240W supply limits the addition of power-hungry expansion cards.

How it compares

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

Price $904.99
Pricier than about 73% of the 14,711 comparable items (median $494.99).
Memory size 16 GB DDR5
Typical for this category: the median of 5,840 items is 16 GB.
RAM capacity 16 GB DDR5
Typical for this category: the median of 13,125 items is 16 GB.

Specifications

Product
Brand nameHP
Model namePro 400 G9
Part number9M8Q4AT
Product typeStudent / Home Office
Recommended useConsumer
Processor
ProcessorIntel Core
CPUIntel Core i7-14700
Turbo clock speed5.4 GHz
Memory
Memory size16 GB DDR5
RAM capacity16 GB DDR5
RAM type and speedDDR5 4800
Memory configuration8 GB x 2
Total memory slots2
Free memory slots0
Memory slots0/2
Max supported RAM64 GB
Storage
Storage drive2 TB
SSD storage2 TB
Hard driveNo
Storage configuration2 TB NVMe SSD
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsIntel UHD Graphics
GPU modelIntel UHD Graphics
GPU interfaceIntegrated video
Audio & video
SoundSound card - Integrated
Connectivity
Wi-Fi standardWi-Fi 6
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Wireless adapterWi-Fi 6 (802.11ax)
Ethernet controllerIntegrated
Wi-Fi802.11ax Wireless LAN
Bluetooth support5.2
Ports & slots
Front USB ports4
Front audio jacks1
Video connectors1 x HDMI, 1 x DisplayPort
Rear USB ports5
Ethernet port1 port
Rear audio jacks1 port
Power
Power supply240 W
Size & build
Overall dimensions10.63 × 2.74 × 12.12 in
Product weight9.59 lb (4.35 kg)
Compatibility
Windows 11 supportReady
In the box
Included monitorNot included
Bundled mouseWired Mouse
Pointing deviceWired Mouse
In the boxHP Pro 400 G9 PC, Wired Mouse, Wired Keyboard
Software
Operating systemWindows 11 Pro
More details
KeyboardWired Keyboard
Keyboard typeWired Keyboard

Questions about this item

How do I add more memory to the HP Pro 400 G9 small-form-factor desktop?

Power off, open the small-form-factor chassis, insert the DDR5 DIMM at 4800MHz into the vacant slot, then close the case and confirm the new total in Windows.

What maintenance or replacement will the 240W power supply need later?

The 240W internal power supply has no user-serviceable parts; if it fails after the warranty period, replace the entire unit with an HP-compatible SFF power supply.

What thermal limit appears first when the Core i7-14700 runs at 5.4GHz turbo for extended periods?

The 240W power supply and small-form-factor cooling cap sustained turbo; the CPU will throttle below 5.4GHz once the chassis thermal limit is reached.

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