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.
Packaging content | Mouse included | Yes |
 | Keyboard included | Yes |
| Keyboard connectivity | Wired |
Software | Operating system installed | Windows 10 Pro |
| Pre-installed software | HP Noise Cancellation Software; HP Support Assistant; Buy Office (sold separately); HP JumpStarts; HP Desktop Support Utilities; Xerox® DocuShare® 90 day free trial offer |
Audio | Built-in speaker(s) | Yes |
| Audio chip | Realtek ALC3252 |
Graphics | Discrete graphics card model | Not available |
| On-board graphics card | Yes |
| On-board graphics card model | Intel® UHD Graphics |
| On-board GPU manufacturer | Intel |
| On-board graphics card family | Intel® UHD Graphics |
Weight & dimensions | Width (with stand) | 472 mm |
| Depth (with stand) | 201.5 mm |
| Height (with stand) | 474.3 mm |
| Weight (with stand) | 6320 g |
| Package width | 595 mm |
| Package depth | 245 mm |
| Package height | 414 mm |
| Package weight | 9020 g |
Brand-specific features | HP JumpStart | Yes |
| HP Support Assistant | Yes |
| HP segment | Business |
| HP Security tools | Power-on password (via BIOS); SATA port disablement (via BIOS); Setup password (via BIOS); USB enable/disable (via BIOS); Serial enable/disable (via BIOS); Support for chassis cable lock devices; HP Secure Erase; HP Sure Click; HP Sure Sense; HP DriveLock and Automatic DriveLock; Trusted Platform Module TPM 2.0 Embedded Security Chip shipped with Windows 10. (Common Criteria EAL4+ Certified); HP BIOsphere Gen6; HP Client Security Manager Gen6 |
Storage | Total storage capacity | 256 GB |
| Storage media | SSD |
| Total SSDs capacity | 256 GB |
| Number of SSDs installed | 1 |
| SSD capacity | 256 GB |
| SSD interface | PCI Express, NVMe |
| NVMe | Yes |
| SSD form factor | M.2 |
Processor special features | Enhanced Intel SpeedStep Technology | Yes |
| Intel Clear Video Technology | Yes |
| Intel Trusted Execution Technology | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel Stable Image Platform Program (SIPP) | Yes |
| Intel Software Guard Extensions (Intel SGX) | Yes |
| Intel 64 | Yes |
| Execute Disable Bit | Yes |
| Idle States | Yes |
| CPU configuration (max) | 1 |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
Power | AC adapter power | 90 W |
Network | Wi-Fi | Yes |
| Top Wi-Fi standard | Wi-Fi 6 (802.11ax) |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Wi-Fi standards | Wi-Fi 6 (802.11ax) |
| WLAN controller manufacturer | Intel |
| WLAN controller model | Intel Wi-Fi 6 AX201 |
| Antenna type | 2x2 |
| Bluetooth version | 5.0 |
Memory | Internal memory | 8 GB |
| Internal memory type | DDR4-SDRAM |
| Memory slots | 1 |
| Memory clock speed | 2666 MHz |
| Memory layout (slots x size) | 1 x 8 GB |
| Memory form factor | DIMM/SO-DIMM |
| Non-ECC | Yes |
Sustainability | Sustainability compliance | Yes |
| Sustainability certificates | ENERGY STAR |
| Sustainable technologies and materials | Low halogen |
Ports & interfaces | USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| HDMI ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| DisplayPorts quantity | 1 |
| Combo headphone/mic port | Yes |
Processor | Processor family | Intel® Core™ i5 |
| Processor manufacturer | Intel |
| Processor model | i5-10500T |
| Processor frequency | 2.3 GHz |
| Processor generation | 10th gen Intel® Core™ i5 |
| Processor boost frequency | 3.8 GHz |
| Processor cores | 6 |
| Processor threads | 12 |
| Processor cache | 12 MB |
| Processor cache type | L3 |
| Configurable TDP-down frequency | 1.7 GHz |
| Configurable TDP-down | 25 W |
Display | Display diagonal | 19.5 " |
| Display resolution | 1920 x 1080 pixels |
| HD type | Full HD |
| Display brightness | 250 cd/m² |
| Panel type | IPS |
| RGB colour space | NTSC |
| Anti-glare screen | Yes |
| Colour gamut | 45 % |
Design | Product colour | Black |
| Country of origin | China |
Performance | Product type | All-in-One PC |
| Motherboard chipset | Intel Q470 |
| Trusted Platform Module (TPM) | Yes |
Camera | Built-in camera | Yes |
| Camera signal format | 720p |
Other features | Display diagonal (metric) | 49.5 cm |
| Display included | Yes |
| Keyboard type | USB |
| Number of free internal memory expansion slots | 1 |