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Small black mini desktop PC, compact square form factor

HP

HP Pro Mini 400 G9 desktop PC i5-13500T 16 GB DDR4 512 GB NVMe DP0R6AT#ABA

SKU CH-Z1S8-83J29 MPN DP0R6AT#ABA

Compact Mini PC with an Intel Core i5-13500T, 16 GB DDR4, 512 GB NVMe SSD and Windows 11 Pro

  • ProcessorIntel Core i5
  • Memory size16 GB DDR4
  • Storage drive512 GB SSD
  • GPUIntel UHD Graphics 770
  • SSD storage512 GB PCIe NVMe
  • Operating systemWindows 11 Pro
  • Compact Mini PC fits tight workspaces
  • Intel Core i5-13500T handles multitasking smoothly
  • 16 GB DDR4 memory keeps apps responsive
  • 512 GB NVMe SSD boots and loads fast
  • Windows 11 Pro secures business data

Compact desktop for office teams

The HP Pro Mini 400 G9 packs an Intel Core i5-13500T processor, 16 GB of DDR4 memory and a 512 GB PCIe NVMe drive into a Mini PC chassis that fits behind a monitor. Windows 11 Pro is pre-installed, making it ready for managed deployment in business environments.

Step up from older small-form-factor PCs

Replacing a legacy desktop with this model adds modern CPU cores, faster NVMe storage and Wi-Fi 6E connectivity in a fraction of the space. The upgrade is worthwhile when IT needs current Windows 11 Pro support and a smaller footprint without sacrificing peripheral ports.

Steady output with a 90 W power supply

The 90 W adapter feeds the i5-13500T and Intel UHD Graphics 770 through extended workloads such as video calls, browser-heavy research and document processing. Thermal design keeps clocks stable during long sessions rather than throttling after a short burst.

How it compares

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

Price $919.99
Pricier than about 74% 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.
Storage drive 512 GB SSD
Typical for this category: the median of 3,890 items is 512 GB.

Specifications

Product
Brand nameHP
Product linePro Mini 400 G9
Model namePro Mini 400 G9
Part numberDP0R6AT#ABA
Product colorJack Black
Processor
ProcessorIntel Core i5
Memory
Memory size16 GB DDR4
Storage
Storage drive512 GB SSD
SSD storage512 GB PCIe NVMe
Graphics
GPUIntel UHD Graphics 770
Power
Power supply90 W
Size & build
Form factorMini PC
Shipping weight2.72 kg
Package size495 × 241 × 130 mm
Software
Operating systemWindows 11 Pro

Questions about this item

What are the physical mounting requirements for the HP Pro Mini 400 G9 Mini PC?

The HP Pro Mini 400 G9 uses a Mini PC form factor in Jack Black colour. It requires a VESA mounting bracket or a flat surface with adequate ventilation clearance around the 90 W power supply unit.

How is the Windows 11 Pro operating system installed on the 512 GB PCIe NVMe SSD, and what step is commonly missed?

Windows 11 Pro comes pre-installed on the 512 GB PCIe NVMe SSD. The step often missed is completing the initial out-of-box experience setup, including network connection for Wi-Fi 6E (802.11ax) driver updates and account configuration.

What maintenance or replacement will the 16 GB DDR4 memory and Intel UHD Graphics 770 require later?

The 16 GB DDR4 memory is soldered and not user-upgradeable. The Intel UHD Graphics 770 relies on passive cooling; keep vents clear of dust. The 90 W power adapter may need replacement after several years of continuous use.

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