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Compact black desktop tower with front USB ports and power button

HP

HP ProDesk 400G6 Desktop PC Intel Core i3-9300 16GB DDR3 250GB SSD Windows 11 Pro

SKU CH-AX1H-YBJVN

Compact desktop with an Intel Core i3-9300 processor, 16 GB of DDR3 memory and a 250 GB SSD, pre-loaded with Windows 11 Pro and a 5G Wi-Fi/Bluetooth adapter

  • CPUIntel 9th Generation Core i3
  • Memory size16 GB
  • Form factorDesktop
  • RAM capacity16 GB DDR3
  • Operating systemWindows 11 Pro
  • CPU socketLGA 1151
  • 9th Gen Intel Core i3-9300 quad-core processor powers everyday tasks smoothly
  • 16 GB DDR3 memory supports multitasking across browser tabs and office apps
  • 250 GB SATA SSD delivers fast boot times and quick file access
  • Windows 11 Pro pre-installed with 5G Wi-Fi and Bluetooth adapter for wireless connectivity
  • Compact black desktop chassis weighs 17 and supports up to 64 GB memory expansion

Compact office desktop

The HP ProDesk 400G6 is a small-form-factor desktop built around an Intel Core i3-9300 processor with 16 GB of DDR3 memory and a 250 GB SATA SSD. It ships with Windows 11 Pro and a 5G Wi-Fi plus Bluetooth adapter, making it ready for typical business or home-office workloads such as document editing, video calls and web browsing.

Simple setup with one upgrade catch

The system arrives assembled; plug in power, display and peripherals, then sign in to Windows 11 Pro. The only common snag is memory expansion: the board has two DDR3 slots supporting up to 64 GB total, so any added modules must be DDR3 — DDR4 sticks will not fit and will not work.

Suits single-monitor productivity.

This configuration fits users who need a quiet, low-footprint PC for one main application at a time — email, browser, office suite or streaming. Buyers who want more storage, faster multi-core performance or discrete graphics should look at a different system.

How it compares

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

Price $146.99
Cheaper than about 93% of the 14,711 comparable items (median $494.99).
Memory size 16 GB
Typical for this category: the median of 5,840 items is 16 GB.
RAM capacity 16 GB DDR3
Typical for this category: the median of 13,125 items is 16 GB.

Specifications

Product
Brand nameHP
Product lineProDesk
Year of release2021
Product colorBlack
Processor
CPUIntel 9th Generation Core i3
CPU socketLGA 1151
Memory
Memory size16 GB
RAM capacity16 GB DDR3
Memory configuration16 GB x 1
Total memory slots2
Max supported RAM64 GB
Storage
Drive interfaceSATA
Size & build
Form factorDesktop
In the box
Pointing deviceUSB Mouse
In the box5G wifi/bluetooth adapter
Software
Operating systemWindows 11 Pro
More details
Keyboard typeStandard

Questions about this item

How do I confirm the Intel Core i3-9300 and 16GB DDR3 are detected after first boot?

Open Task Manager's Performance tab; the CPU should show Intel Core i3-9300 with four cores and the memory should read 16 GB DDR3.

What accessories are included and what must I supply myself?

The box contains a 5G wifi/bluetooth adapter, a standard keyboard and a USB mouse; you must provide a display, its cable and any additional peripherals.

Should I choose the 250GB SSD or add more storage later?

The 250GB SATA SSD is the only drive installed; with two memory slots supporting up to 64GB DDR3 you can upgrade RAM first and add a second SATA drive when you need extra space.

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