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HP ProOne 400 G4 AiO PC

HP ProOne 400 G4 20" All in One PC i5-8500T up to 3.50GHz Processor 8GB RAM 256GB SSD WiFi Webcam DVDRW Windows 11 Professional



Refurbished / Grade A1

12 Months warranty

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    Key Features:
  • 20" All in One (AiO)
  • Intel Core i5 8th Gen up to 3.50GHz Hexa Core
  • 8GB RAM (Max 32GB) & 256GB SSD
  • Windows 11 Pro
  • HDMI, DisplayPort, USB C & USB 3.1
  • Includes Keyboard, Mouse and a Wi-Fi Dongle
  • DVD-RW Optical Drive
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HP ProOne 400 G4 Details

Sleek, elegant design
Stylish design and clean lines makes this AiO suitable for a front desk or an open office for space-constrained work environments.

Powerful options
Get high-performance and expansion with 8th gen Intel Core processors, Intel HD graphics, USB Type-C, and a configurable I/O port.

Executive-class collaboration
Interact naturally with your PC using Cortana on Windows 11 Pro. Enjoy impressive collaboration tools like HP Noise Cancellation and optional Skype for Business.

HP exclusive security and manageability
Help prevent data breaches and downtime with HP BIOSphere and simplify management with HP Manageability Integration Kit Gen2.

Let nothing stand in your way
Be productive in any situation. Windows 11 Pro and powerful security, collaboration, and connectivity features from HP help you power through your day.

Expansion that extends your investment
Maximise the life of your PC as your business requirements change with options that let you expand on your own schedule, including M.2 drives, SATA drives, and up to 32GB of DDR4 memory.

Work without interruption
Keep productivity high and downtime low with HP BIOSphere Gen4 firmware-level automation. Your PCs have extra protection thanks to automatic updates and security checks.

Super secure. Super protected
Guard your data, device and identity with HP Client Security Manager Gen4.

Browse confidently
Help protect your PC from websites, attachments, malware, ransomware, and viruses with hardware-enforced security from HP Sure Click.

Speed up the basics of IT management
The HP Manageability Integration Kit Gen2 helps speed up image creation and management of hardware, BIOS, and security through Microsoft System Center Configuration Manager.

Maximize network performance
Greatly improve data, voice, and video communication transfer rates over challenged LAN and Wi-Fi networks.

Several deployment options
Pair this space-saving AiO with the mounting option to fit your workspace and use case.

Windows 11 Pro
Windows 11 gives you the power to create and collaborate easier.

Windows 11 has easy-to-use tools that can help you optimise your screen space and maximise your productivity. 

Hop on a call. Find some answers. Finish that paper. When you’ve got a lot to do, snap can help you stay organised with ease.

Your photos, the news, to-do lists, the weather, all that content that matters to you can be found easily using Widgets. 

Chat from Microsoft Teams helps to bring you all together.

Do so much with Microsoft Edge, the web browser that is fast and secure.


Supplied with non-HP USB keyboard and mouse and Dynamo wifi dongle with antenna


HP ProOne 400 G4 Specifications

Processor - Intel i5-8500T Hexa Core 2.10GHz (up to 3.50GHz Max Turbo Frequency, 9MB Intel Smart Cache)
Chipset - Intel Q370
Graphics - Intel UHD 630
Display - 20" HD Plus NTSC widescreen anti-glare LED-backlit
Screen Resolution - 1600 x 900
Stand Adjustability - Height Adjustable Only
Screen Anti-glare - Yes
Webcam - 1MP HD Webcam with integrated digital microphone
Storage - 256GB M.2 NVMe Solid State Drive (SSD)
Audio - Built in 2x  2W Bang & Olufsen Speakers with High Definition Audio and Dual array microphone
Operating System - Windows 11 Professional (64bit)
RAM - 8GB DDR4-2666 SDRAM (1 Slots SODIMM, 32GB Max)
Optical Drive - Yes, DVDRW
Stereo Speakers - Yes
Ports - 1 x USB C, 4 x USB 3.1 Gen 1 (1 x Charging), 1 x HDMI, 1 x DisplayPort, 1 x headphones/microphone, 1 x RJ-45
Card Reader - Yes, SD
Wireless - Yes, item includes dynamode usb dual band wifi wireless donfle with antenna
Bluetooth - Yes, 5.0
Ethernet - Intel I219LM Gigabit Network
TPM (Trust Platform Module) Chip - 2.0
Dimensions (with stand) - 48.91 x 20.85 x 36.67 cm (W x D x H)
Weight (with stand) - 5.77kg (approx)
Keyboard & Mouse - Supplied with non-HP USB keyboard and mouse



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