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Black small-form-factor desktop tower, matte finish, front I/O ports visible

HP

HP ProDesk 400 G6 SFF i5-9500 8 GB 128 GB NVMe Win 11 Pro desktop PC

SKU CH-399X-A56EP

Compact desktop with six-core i5-9500, 8 GB DDR4, 128 GB NVMe SSD and Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i5
  • Memory size8 GB DDR4
  • SSD storage128 GB
  • GraphicsIntel UHD Graphics 630
  • Operating systemWindows 11 Pro
  • Six-core i5-9500 up to 4.4 GHz for responsive multitasking
  • 128 GB NVMe SSD boots Windows 11 Pro in seconds
  • 8 GB DDR4-2666 memory handles everyday workloads smoothly
  • Intel UHD 630 graphics drives dual displays without extra hardware
  • Compact 180 W SFF chassis fits tight desk spaces

Compact desktop for everyday office work

The HP ProDesk 400 G6 SFF runs a Core i5-9500 with six cores at 3 GHz base and 4.4 GHz turbo. Eight gigabytes of DDR4-2666 and a 128 GB NVMe drive handle web apps, documents and email. Windows 11 Pro is pre-installed. The small-form-factor chassis suits tight desks in home offices or classrooms.

Straightforward setup with limited expandability

Plug in power, a display via the onboard video ports and peripherals to start working. The 180 W internal supply leaves little headroom for discrete graphics cards or many extra drives. Only low-profile cards that fit the SFF slots and stay within the power budget can be added. Opening the case requires sliding the cover off after removing a thumb screw.

Integrated graphics and modest storage cap heavy

Intel UHD Graphics 630 drives typical business displays but cannot accelerate modern 3-D workloads or multiple high-resolution monitors. The single 128 GB NVMe volume fills quickly with large media libraries or local databases. Memory tops out at the installed 8 GB DDR4-2666 because the board has no free slots for expansion. Buyers who need more storage, more RAM or dedicated GPU performance should look at larger configurations.

How it compares

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

Price $199.99
Cheaper than about 90% of the 14,711 comparable items (median $494.99).
Memory size 8 GB DDR4
Lower than about 80% of the 5,840 comparable items (median 16 GB).
SSD storage 128 GB
Lower than about 95% of the 11,342 comparable items (median 512 GB).

Specifications

Product
Brand nameHP
Model nameProDesk 400 G6
Part number6EF24AV-E010-R
Product typeStudent / Home Office
Product colorBlack
Processor
ProcessorIntel Core i5
CPU socketBlack
Memory
Memory size8 GB DDR4
RAM type and speedDDR4 2666
Memory configuration8
Storage
SSD storage128 GB
Hard driveNo
Optical driveNo
Disc drive detailsNo
Display
Screen sizeNo Screen
Graphics
GraphicsIntel UHD Graphics 630
Audio & video
Sound1 x Headset connector
1 x Audio-in
1 x Audio-out
Connectivity
Network speed10/100/1000 Mbit/s
Wi-FiNo
Ports & slots
Video connectors1 x DisplayPort 1.2
1 x VGA
Rear audio jacks1 x Headset connector
1 x Audio-in
1 x Audio-out
Power
Power supply180 W internal power supply
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

How can I confirm the Intel Core i5-9500 is running at its 4.4 GHz turbo frequency after setup?

Open Task Manager, select the Performance tab and watch the CPU speed reach 4.4 GHz when a demanding task runs on the 6-core processor.

What comes in the box and what must I buy separately?

The desktop, a power cord and documentation are included; a monitor, keyboard and mouse are not supplied.

Is the 128 GB NVMe SSD enough or should I choose a larger capacity?

The 128 GB PCIe NVMe TLC M.2 drive holds Windows 11 Pro and core apps; add a second internal drive or external storage for large media libraries.

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