HP ProOne 400 G5 AIO 20" Core i5 9th Gen 8GB 512GB SSD Win10 Pro Desktop PC

QuickFind: 964096 Mfr part code: 8JW81EA#ABU
  • Intel Core i5-9500T 2.2GHz
  • 8GB DDR4 + 512GB SSD
  • 20in Non-Touch Display
  • Windows 10 Pro
  • 1 Year Warranty

Product Description

HP ProOne 400 G5 AIO 20" Core i5 9th Gen 8GB 512GB SSD Win10 Pro Desktop PC

Ready for versatile work environment

Easy to deploy, sleek, and feature-rich, the HP ProOne 400 20.0-inch All-in-One PC features a contemporary design with business-class performance, collaboration, security, and manageability features


Sleek, elegant design

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


Powerful options

Get high-performance and expansion with a 9th Gen Intel® Core™ processor and USB Type-C®.


Executive-class collaboration

Enjoy impressive collaboration tools like HP Noise Cancellation.


HP exclusive security and manageability

Help prevent data breaches and downtime with HP BIOSphere Gen5 and simplify management with HP Manageability Integration Kit





  • Intel® Core™ i5-9500T 2.2GHz
  • Intel® UHD Graphics 630
  • up to 3.7 GHz with Intel® Turbo Boost Technology
  • 9 MB cache
  • 6 cores


  • 8GB DDR4-2666 SDRAM
  • Configuration: 1 X 8GB
  • 2 x SODIMM


  • 512GB PCIe® NVMe™ SSD


  • Operating System: Windows 10 Pro 64


  • 20" Non Touch Display


  • Intel® UHD Graphics 630


  • Conexant CX3601 codec
  • 2 W internal stereo speaker
  • headset and headphone side port (3.5 mm)
  • multi-streaming capable

Input Devices

  • USB slim Wired Keyboard


  • Wired LAN Intel® I219LM GbE

Power Supply

  •  90 W external power adapter


  • Width 48.91 cm
  • Depth 20.85 cm
  • Height 36.67 cm
  • Weight 5.77 kg



  • 1 headphone/microphone combo
  • 1 SD 3.0 card reader
  • 1 SuperSpeed USB 5Gbps signaling rate
  • 1 SuperSpeed USB 5Gbps signaling rate (charging)
  • 1 USB 2.0 Type-C


  • 1 DisplayPort™ 1.2
  • 1 power connector
  • 1 RJ-45
  • 2 SuperSpeed USB 5Gbps signaling rate


  • 1 M.2 2230
  • 1 M.2 2230/2280

Warranty / Misc

  • 1 year limited warranty and service offering includes  year of parts, labor and on-site repair


Technical Specification

HP ProOne 400 G5 AIO 20" Core i5 9th Gen 8GB 512GB SSD Win10 Pro Desktop PC

Optical Storage

Type DVD-Writer DVD-Writer


Type Personal computer
Product Form Factor All-in-one - with Fixed Height Tilt Stand
Built-in Devices Hood sensor
Embedded Security Trusted Platform Module (TPM 2.0) Security Chip
Localisation Language: English / region: United Kingdom

Processor / Chipset

CPU Intel Core i5 (9th Gen) 9500T / 2.2 GHz
Max Turbo Speed 3.7 GHz
Number of Cores 6-core
CPU Qty 1
Max CPU Qty 1
Chipset Type Intel Q370

Cache Memory

Installed Size 9 MB
Cache Per Processor 9 MB


Installed Size 8 GB / 64 GB (max)
Technology DDR4 SDRAM
Effective Memory Speed 2666 MHz
Rated Memory Speed 2666 MHz
Form Factor SO-DIMM 260-pin
Slots 2 (Total) / 1 (empty)
Configuration Features 1 x 8 GB

Hard Drive

Type SSD - M.2 2280
Capacity 1 x 512 GB
Interface Type PCI Express
Features NVM Express (NVMe)

Storage Controller

Type 1 x SATA
Controller Interface Type SATA 6Gb/s


Monitor Type LED - TN
Diagonal Size 20"
Native Resolution 1600 x 900 (HD+)
Widescreen Display Yes
Image Aspect Ratio 16:9
Horizontal Viewing Angle 170
Vertical Viewing Angle 160
Pixel Pitch 0.276 mm
Response Time 5 ms
Image Brightness 250 cd/m²
Image Contrast Ratio 1000:1
Monitor Features 72% NTSC colour gamut, Frame Rate Control (FRC), HD+ anti-glare

Graphics Controller

Graphics Processor Intel UHD Graphics 630
Video Interfaces HDMI, DisplayPort
HDCP Compatible Yes

Audio Output

Max Sampling Rate 192 kHz
Compliant Standards High Definition Audio
Speakers Bang & Olufsen sound bar
Speakers Included 2 x right / left channel


Camera Yes
Resolution (MP) 1 Megapixel
Resolution HD

Input Device

Type Mouse, keyboard


Keyboard Name HP Business Slim Keyboard
Interface USB
Localization & Layout UK


Technology Optical
Interface USB

Audio Input

Type Dual array microphone


Interface (Bus) Type M.2 Card
Wireless LAN Supported Yes
Wireless NIC Intel Wireless-AC 9560
Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, Bluetooth 5.0
Compliant Standards Wi-Fi CERTIFIED

Expansion / Connectivity

Bays 1 (total) / 1 (free) x internal 2.5" ¦ 1 (total) / 0 (free) x external 5.25" Slim Line
Slots 1 (total) / 0 (free) x M.2 Card - 2230 ¦ 1 (total) / 0 (free) x M.2 Card - 2230/2280
Interfaces 1 x USB 2.0 - Type C (15 Watt charging) ¦ 4 x USB 3.1 Gen 1 ¦ 1 x DisplayPort ¦ 1 x headphones/microphone ¦ 1 x LAN (Gigabit Ethernet) ¦ 1 x HDMI


Device Type Power adapter
Nominal Voltage AC 120/230 V (50/60 Hz)
Power Provided 90 Watt
Efficiency 88% (115VAC) / 89% (230VAC)
Power Factor Correction Yes (active)

Operating System / Software

OS Provided Windows 10 Pro 64-bit Edition English

Environmental Standards

TCO Certified TCO Certified Edge All-in-One PCs, TCO Certified All-in-One PCs 8

Manufacturer Warranty

Service & Support Limited warranty - parts and labour - 1 year - on-site

Dimensions & Weight

Dimensions & Weight Details 48.91 cm - 5.13 cm - 32.4 cm - 3.9 kg - without stand
Width 48.91 cm
Depth 15 cm
Height 36.74 cm
Weight 4.95 kg

Dimensions & Weight (Shipping)

Shipping Width 59.6 cm
Shipping Depth 24.6 cm
Shipping Height 46.8 cm
Shipping Weight 8.54 kg

Environmental Parameters

Min Operating Temperature 10 °C
Max Operating Temperature 35 °C
Humidity Range Operating 10 - 90%

Product Reviews

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HP ProOne 400 G5 AIO 20" Core i5 9th Gen 8GB 512GB SSD Win10 Pro Desktop PC

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Product Discussion

HP ProOne 400 G5 AIO 20" Core i5 9th Gen 8GB 512GB SSD Win10 Pro Desktop PC

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Add-ons and Accessories


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£224.99 inc. vat
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Keyboards & Mice

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£23.99 inc. vat
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Intenso 2.5" SATA 120Gb SSD

£24.99 inc. vat
£20.82 ex. vat


Laptop or PC Installation Service 3-5 Working Days

£78.08 inc. vat
£65.06 ex. vat