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Ready for versatile work environments.


Easy to deploy, sleek, and feature-rich, the HP ProOne 400 20 All-in-One PC features a contemporary design with business-class performance, collaboration, security, and manageability features.


Functionality for the multi-device world

Provide users with multiple devices options for how they work and stay productive. New flexibility is delivered by the HP ProOne 400 20 AiO that can be used as a full PC or as an additional display for another desktop or laptop PC.


Sleek, elegant design

Stylish design and clean lines make this AiO suitable for a front desk or space-constrained work environments.


Fast performance, connectivity, and responsiveness


Get the exceptional combination of responsive performance, connectivity and speed with a 10th Gen Intel® Core™ processor that lets you launch, create, and connect fast and reliably.


HP Sure Sense
Malware is evolving rapidly and traditional antivirus can’t always recognize new attacks. Protect your PC against never-before-seen attacks with HP Sure Sense, which uses deep learning AI to provide exceptional protection against advanced malware.


Full Specification


Type: LED - IPS
Size: 19.5"
Resolution: 1920 x 1080
Max Res.: 60 Hz
Aspect Ratio: 16:9
Viewing Angle: 178°/178°
Colour Gamut: 45% NTSC

Processor: Intel Core i5-10500T
Clock Speed: 2.3 GHz
Max Turbo Speed: 3.8 GHz
Chipset: Intel Q470

Memory: 8GB

Memory Details: DDR4 2666MHz
1 x 8GB
64GB Max
2 slots (1 free)

Graphics: Intel UHD Graphics 630

Storage: 256GB SSD
M.2 2280 NVMe

Optical Drive


Operating System

Windows 10 Pro

I/O Ports

1 x USB-C 3.2 Gen2
1 x USB 3.2 Gen2
1 x headphones/microphone

4 x USB 3.2 Gen 1
1 x DisplayPort 1.4
1 x LAN (Gigabit Ethernet)
1 x HDMI input
1 x HDMI




Intel Wi-Fi 6 AX 201


Bluetooth 5.0


Dual 2 W speakers
High Definition Audio

Power Unit: 90 Watt
AC 120/230 V (50/60 Hz)

Keyboard and Mouse: Yes


With stand: 47.2 - 20.15 - 34.4 cm
Without stand: 47.2 - 5.07 - 31.6 cm
With stand: 6.32 kg
Without stand: 4.74 kg

Additional Features:

Dual array microphone
Kensington security slot
TPM 2.0 Security Chip

Package Weight: 8.7500 kg

Package Type: Retail

Warranty: 1 Year

Full Box Quantity: 1

HP ProOne 400 G6 All-In-One PC, 19.5" FHD IPS, i5-10500T, 8GB, 256GB SSD

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