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Compact black mini desktop, 17.7 by 17.5 by 3.4 cm, wired keyboard and mouse included

HP

HP Pro 400 G9 Desktop PC i3-13100T 16GB 4TB NVMe Wi-Fi 6E Win 11 Pro

SKU CH-XT6Y-C51F1

A compact Mini desktop with a quad-core Intel Core i3-13100T up to 4.2 GHz, 16 GB DDR4 memory, 4 TB NVMe storage, Wi-Fi 6E and Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core
  • Memory size16 GB DDR4
  • Storage drive4 TB
  • GraphicsIntel UHD Graphics
  • CPUIntel Core i3-13100T
  • Quad-core Intel i3-13100T boosts to 4.2 GHz for responsive everyday computing
  • 16 GB DDR4 memory keeps multiple apps running smoothly
  • 4 TB NVMe storage provides vast space for files and fast boot times
  • Wi-Fi 6E and Gigabit Ethernet give flexible, high-speed connectivity
  • Compact 17.7 × 17.5 × 3.4 cm mini chassis fits tight workspaces

Compact Mini Desktop

The HP Pro 400 G9 is a Mini form-factor desktop powered by an Intel Core i3-13100T quad-core processor reaching 4.2GHz turbo frequency. It ships with 16GB DDR4 memory and a 4TB NVMe SSD running Windows 11 Pro. The 90W power supply supports home-office tasks and student workloads in a chassis measuring 17.7 x 17.5 x 3.4 cm.

Included Peripherals

A wired keyboard and wired mouse are bundled so the system works immediately after unboxing. Integrated Intel UHD Graphics drive external displays through HDMI and DisplayPort outputs. Gigabit Ethernet and Wi-Fi 6E (802.11ax) provide wired and wireless network connectivity without extra adapters.

Straightforward Setup

The small footprint fits on any desk and the external 90W adapter keeps cabling simple. Connect power, attach a monitor via HDMI or DisplayPort, plug in the included keyboard and mouse, then follow the Windows 11 Pro out-of-box experience. No internal assembly is required, though the compact case limits future internal expansion.

How it compares

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

Price $1,040.99
Pricier than about 78% of the 14,711 comparable items (median $494.99).
Memory size 16 GB DDR4
Typical for this category: the median of 5,840 items is 16 GB.
RAM capacity 16 GB DDR4
Typical for this category: the median of 13,125 items is 16 GB.

Specifications

Product
Brand nameHP
Model namePro 400 G9
Part numberDT5A8UA#ABA
Product typeStudent / Home Office
Recommended useConsumer
Processor
ProcessorIntel Core
CPUIntel Core i3-13100T
Turbo clock speed4.2 GHz
Memory
Memory size16 GB DDR4
RAM capacity16 GB DDR4
RAM type and speedDDR4 3200
Memory configuration8 GB x 2
Total memory slots2
Free memory slots0
Memory slots0/2
Max supported RAM64 GB
Storage
Storage drive4 TB
SSD storage4 TB
Hard driveNo
Storage configuration4 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 6E
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Wireless adapterWi-Fi 6E (802.11ax)
Ethernet controllerIntegrated
Wi-Fi802.11ax Wireless LAN
Bluetooth support5.3
Ports & slots
Front USB ports3
Front audio jacks1
Video connectors1 x HDMI, 2 x DisplayPort
Rear USB ports3
Ethernet port1 port
Power
Power supply90 W
Size & build
Overall dimensions6.89 × 6.97 × 1.34 in
Product weight3.13 lb (1.42 kg)
Compatibility
Windows 11 supportReady
In the box
Included monitorNot included
Bundled mouseWired Mouse
Pointing deviceWired Mouse
Software
Operating systemWindows 11 Pro
More details
KeyboardWired Keyboard
Keyboard typeWired Keyboard

Questions about this item

Will the DDR4 memory need upgrading for heavier workloads later?

The 16GB DDR4 is soldered and not user-upgradable, so capacity is fixed for the life of the system.

What limits sustained performance first — the 90W power supply or the i3-13100T thermal ceiling?

The 90W supply caps total system draw, so the i3-13100T cannot maintain 4.2GHz turbo indefinitely under full load.

How loud and hot does the Mini chassis get when running all day?

The 17.7 x 17.5 x 3.4 cm Mini form factor relies on a small internal fan that becomes audible at continuous load; surface temperatures rise noticeably after hours of use.

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