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Compact black mini desktop PC with small square footprint

HP

HP ProDesk 400 G5 Mini i5-9500T 16GB 512GB Windows 11 Pro desktop PC

SKU CH-3ZS5-SP3YJ

Compact mini desktop with six-core i5-9500T processor, 16GB memory and 512GB SSD runs Windows 11 Pro for office work

  • ProcessorIntel Core i5
  • RAM capacity16 GB
  • SSD storage512 GB
  • GraphicsIntel UHD Graphics 630
  • CPU modelHexa-Core i5-9500T
  • Operating systemWindows 11 Pro
  • Hexa-Core i5-9500T at 2.1 GHz powers demanding tasks
  • 16 GB memory handles multitasking with room to expand to 64 GB
  • 512 GB SSD gives fast boot and app loading
  • Dual DisplayPorts drive two monitors for productivity
  • USB Wi-Fi adapter provides wireless connectivity out of the box

Compact business desktop

The HP ProDesk 400 G5 Mini is a small-form-factor desktop computer built for office and home productivity. It runs Windows 11 Pro on an Intel Hexa-Core i5-9500T processor clocked at 2.1 GHz with 16GB of installed memory. Integrated Intel UHD Graphics 630 drives two DisplayPort outputs for dual-monitor setups. A USB Wi-Fi adapter provides wireless connectivity out of the box.

Stepping up from older small PCs

This unit replaces aging mini desktops that rely on dual-core processors or mechanical hard drives. The six-core CPU and 512GB SSD deliver a noticeable jump in multitasking responsiveness and boot speed. The upgrade is worth it when your current system struggles with multiple browser tabs, office suites, or video conferencing. Buyers who need discrete graphics performance or more than 64GB of memory should look elsewhere.

Build considerations for IT deployments

The mini chassis fits behind a monitor or on a crowded desk, freeing valuable workspace. Two memory slots support expansion up to 64GB for future-proofing. Integrated graphics eliminate the need for a separate card, keeping power draw low and thermals simple. Ensure your displays accept DisplayPort signals or have suitable adapters.

How it compares

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

Price $202.99
Cheaper than about 89% of the 14,711 comparable items (median $494.99).
RAM capacity 16 GB
Typical for this category: the median of 13,125 items is 16 GB.
SSD storage 512 GB
Typical for this category: the median of 11,342 items is 512 GB.

Specifications

Product
Product lineProDesk
Model name400 G5
Product colorBlack
Processor
ProcessorIntel Core i5
CPU modelHexa-Core i5-9500T
Memory
RAM capacity16 GB
Memory slots2
Max supported RAM64 GB
Storage
SSD storage512 GB
Storage configuration512 GB SSD
Drive interfaceSSD
Graphics
GraphicsIntel UHD Graphics 630
GPU modelIntel UHD Graphics 630
GPU interfaceIntegrated video
Connectivity
Network adapterUSB WiFi Adapter
Size & build
Form factorMini PC
Software
Operating systemWindows 11 Pro
Pre-installed softwareWindows OS

Questions about this item

What are the dimensions of the Mini chassis so I can confirm it fits my VESA mount?

The ProDesk 400 G5 Mini uses a compact Mini PC form factor designed for VESA mounting behind a monitor or on a desk stand.

How do I install the included USB Wi-Fi adapter and what is the common mistake?

Plug the supplied USB Wi-Fi adapter into any free USB port; the step users miss is installing the driver before expecting a wireless connection.

How much RAM can I add later and which slots are free?

Two memory slots are fitted with 16 GB total; the board supports up to 64 GB so both slots can be populated with larger modules.

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