HP ProOne 400 G4 All in One 21.5″ i5 8th Gen | 8GB |256GB SSD

ProOne 400 G4

With power-efficient Intel Pentium Gold G5400 processor, stunning edge-to-edge IPS display and enhanced security features like HP Sure Start Gen4, the HP ProOne 600 G4 is a great all-in-one PC that can be quickly deployed to make your business thrive.

Sleek, modern design

Featuring extensive cable management and a sleek design, this AiO suits the front desk or an owner’s office. The micro-edge, anti-glare 21.5-inch diagonal IPS display provides plenty of workspace.

Powerful options

Get high-performance and expansion with Intel Pentium Gold processors and optional features like fast DDR4 memory, large-capacity hard drive disk and USB Type-C port.

Built on a secure foundation

Protect your PC against the evolving malware threats of the future, with our self-healing, hardware-enforced, and manageable security solutions. From the BIOS to the browser HP Sure Start Gen4 and HP Sure Click help secure your PC.

Effective collaboration

Communicate naturally with your PC using Cortana on Windows 10 Pro and collaborate with others using Skype for Business*, HP Noise Cancellation, and an optional IR camera*.

Powerful protections you can trust

Windows 10 Pro is the most secure Windows ever. It comes with built-in protections for your data, your equipment, and your people, securing business information and personal identities even on lost or stolen devices.

Works how you work

Windows 10 Pro is designed for how you work now—and ready for how you’ll work tomorrow. Collaboration starts here, with shareable notebooks and whiteboarding available to every device. Whether you’re working on your own or with a team, it’s that feeling of getting in the zone and staying there.

Simple, flexible management

Windows 10 Pro simplifies identity, device and application management so you can focus on your business. Flexible management capabilities let you see the big picture and make changes on your schedule. With intuitive control over your IT infrastructure, your business can be ready for anything.

Key Features

Let nothing stand in your way

Power through your day with Windows 10 Pro with built-in security, collaboration, and connectivity.

Firmware level protection

Protect the firmware that antivirus can’t reach! The hardware-enforced self-healing protection offered by HP Sure Start Gen4 automatically recovers the BIOS from malware, rootkits, or corruption.

Browse confidently

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

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.

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.

Super secure. Super protected

HP Client Security Manager Gen4 features HP Multi-Factor Authenticate Gen2, HP Device Access Manager, HP SpareKey, and HP Password Manager. These tools work to keep data out of reach and defend against theft, attacks, and unauthorized users.

Get PC images right the first time

Improve the quality and security of custom Windows images with HP Image Assistant Gen3 which assists ITDMs with image creation, identifies problems, and provides recommendations and remediation.

Brand HP
Series ProOne
Model 400 G4 (4JE00UT#ABA)
Part Number 4JE00UT#ABA
Quick Info
Type All-in-One PC
Form Factor All-in-One
Usage Business
Colors Black
Processor Intel Pentium Gold G5400 3.70 GHz
Processor Main Features 64 bit Dual Core Processor
Memory 8GB DDR4 2666
Storage 256 GB SSD
Optical Drive HP 9.5 mm Slim DVD-Writer
Graphics Intel UHD Graphics 610
Power Supply 120W
Monitor 20″ FHD IPS
Operating System Windows 10 Pro 64-bit
Chipset Intel Q370
CPU Type Pentium Gold
CPU Speed G5400 (3.70GHz)
CPU Main Features 64 bit Dual Core Processor
GPU/VGA Type Intel UHD Graphics 610
Graphics Interface Integrated video
Memory Capacity 8GB DDR4
Memory Speed DDR4 2666
Memory Spec 4 GB x 2
Memory Slot (Total) 2
Memory Slot (Available) 1
SSD yes
Optical Drive
Optical Drive Type DVD±RW
Optical Drive Spec HP 9.5 mm Slim DVD-Writer
Screen Size 21.5″
Screen Resolution 1920 x 1080
Touchscreen No
Screen Type Non-Touch Screen
Display Feature FHD IPS widescreen LCD anti-glare WLED-backlit
LAN Speed 10/100/1000Mbps
WLAN Intel Dual Band Wireless-AC 9560 802.11ac (2×2)
Bluetooth Bluetooth 5.0
Front Panel Ports
Front USB Side:
2 x USB 3.1 Gen 1
1 x USB 2.0 Type-C
Front Audio Ports 1 x headphone/microphone combo
Back Panel Ports
Video Ports 1 Display Port
Rear USB 2 x USB 3.1 Gen 1
RJ45 1 port
Mouse Type HP USB Optical Mouse
Keyboard Type HP USB Business Slim Keyboard


Warranty Terms & Conditions – 3C Certified Refurbished Products*

  • High Quality products at great prices
  • Rigorous refurbishment process before sale
  • Covered by 3C -FREE 12 MONTHS –Warranty
  • “3C Product Care” from 24 Months up to 36 Months can be purchased.

* FREE 12 Month Warranty – warranty strictly excludes battery , power adaptors & cable , software issues and any physical , liquid damages.

*Colour may vary depending on stock in hand.

*Battery capacity may wary for refurbished product due to age and usage. 3C Computers and Mobiles terms and conditions apply and Errors and omissions may expected and picture is for representation purpose only and may not be an actual product. 3C Terms and Conditions apply on all warranties and purchases.

Bulk quantity for Education or Business: Please contact us for special pricing on bulk quantities. Email us at or please call 027 556 5561