Windows 11

Work anywhere without compromising on performance or security with Windows 11 powered by HP's collaboration and connectivity technology.

Security is your top priority

The HP Wolf Pro Security Edition provides preconfigured enterprise-level PC protection for small and medium sized businesses.^[1]

Advanced wireless connectivity

Get a premium connectivity experience, even in crowded wireless networks, with a fast, reliable wireless connection. This Pro Mini 400’s gigabit data rate Wi-Fi 6E wireless LAN module supports HP Extended Range Wireless LAN.^[3]

Automatic recovery from firmware attacks

Firmware attacks can completely devastate your PC. Stay protected with HP Sure Start, the self-healing BIOS that automatically recovers itself from attacks or corruption.^[5]

Work without interruption

Keep productivity high and downtime low with the fully integrated and automated features of the HP BIOSphere Gen6 firmware ecosystem. Your PCs have extra protection thanks to automatic updates and security checks.^[7]

Browse confidently

Help protect your PC from websites and read only Microsoft Office and PDF attachments with embedded malware, ransomware, or viruses with hardware-enforced security from HP Sure Click.^[8]

Erase your drive

HP Secure Erase removes the contents of a hard drive for repurposing or reassignment.^[9]

Simple PC management

Spend less time and get right to the updates you need with HP Support Assistant.^[10]

Speed up the basics of IT management

Help reduce downtime and total cost of ownership of your HP PCs with the HP Manageability Integration Kit. This solution helps expedite image creation and simplify routine management of hardware, BIOS, security, and software updates.^[11]

Latest Intel® processor

Accomplish everything from minor tasks to complex projects with the latest Intel® processor.^[2]

Flex ports for easy expansion

Configure or expand your Mini your way with flex ports for legacy or clean desk connectivity.

Protected by HP Wolf Security

HP Wolf Security for Business creates a hardware-enforced, always-on, resilient defense.^[4]

Help protect our shared future

A high-efficiency power supply and molded-pulp packaging6 help reduce the impact on the environment.^[6]

High performance, high portability

Get the exceptional combination of responsive performance, connectivity and speed with a 12th Gen Intel® Core™ processor that lets you launch, create, and connect fast and reliably.^[2]

HP Pro Mini 400 G9. Processor frequency: 2 GHz, Processor family: Intel® Core™ i5, Processor model: i5-12500T. Internal memory: 16 GB, Internal memory type: DDR4-SDRAM, Memory clock speed: 3200 MHz. Total storage capacity: 512 GB, Storage media: SSD. On-board graphics card model: Intel UHD Graphics 770. Operating system installed: Windows 11 Pro. Power supply: 90 W. Chassis type: Mini PC. Product type: Mini PC. Weight: 3.13 lbs (1.42 kg). Product color: Black

Processor
Processor generation	12th gen Intel® Core™ i5
Processor frequency	2 GHz
Processor family	Intel® Core™ i5
Processor manufacturer	Intel
Processor model	i5-12500T
Processor cores	6
Processor cache type	L3
Processor boost frequency	4.4 GHz
Processor cache	18 MB
Processor threads	12
Performance cores	6
Efficient cores	0
Performance-core base frequency	2 GHz
Processor base power	35 W
Maximum turbo power	74 W
Performance-core Max Turbo Frequency	4.4 GHz
Memory
Internal memory	16 GB
Internal memory type	DDR4-SDRAM
Maximum internal memory	64 GB
Memory layout (slots x size)	1 x 16 GB
Memory slots	2x DIMM
Memory clock speed	3200 MHz
Storage
Total storage capacity	512 GB
Optical drive type	No
Storage media	SSD
Number of SSDs installed	1
SSD capacity	512 GB
SSD interface	PCI Express 4.0
SSD memory type	TLC
SSD form factor	M.2
Total SSDs capacity	512 GB
NVMe	Yes
Graphics
Discrete graphics card	No
Discrete graphics card model	Not available
On-board graphics card model	Intel UHD Graphics 770
On-board graphics card family	Intel® UHD Graphics
On-board graphics card	Yes
On-board GPU manufacturer	Intel
Optical drive
Optical drive type	No
Network
Ethernet LAN	Yes
Ethernet LAN data rates	10,1000,100 Mbit/s
Wi-Fi	Yes
Wi-Fi standards	Wi-Fi 6E (802.11ax)
Bluetooth	Yes
Bluetooth version	5.3
WLAN controller model	Intel Wi-Fi 6E AX211
Top Wi-Fi standard	Wi-Fi 6E (802.11ax)
Antenna type	2x2
WLAN controller manufacturer	Intel
Ports & interfaces
USB 2.0 ports quantity	0
HDMI ports quantity	1
HDMI version	2.1
DisplayPorts quantity	2
Ethernet LAN (RJ-45) ports	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	3
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0
Thunderbolt 3 ports quantity	0
Combo headphone/mic port	Yes
DisplayPort version	1.4
USB4 Gen 2x2 ports quantity	1
Design
Product colour	Black
Chassis type	Mini PC
Introduction year	2025
Performance
Product type	Mini PC
Motherboard chipset	Intel Q670
Password protection	Yes
Password protection type	BIOS, Power on
Audio chip	Realtek ALC3252
Market positioning	Proven productivity
Trusted Platform Module (TPM)	Yes
Trusted Platform Module (TPM) version	2.0
Software
Operating system installed	Windows 11 Pro
Bundled software	HP Wolf Pro Security Edition (1 year)
Brand-specific features
HP Support Assistant	Yes
HP Security tools	Trusted Platform Module TPM 2.0 Embedded Security Chip shipped with Windows 10 (Common Criteria EAL4+ Certified)(FIPS 140-2 Level 2 Certified); HP Secure Erase; HP Sure Click; HP Sure Sense; Absolute Persistence module; HP Sure Admin; HP BIOSphere Gen6; HP Tamper Lock; HP Sure Start Gen7; HP Platform Certificate On Device Installation
HP Management tools	HP Client Catalog (download); HP Driver Packs (download); HP Image Assistant (download); HP Client Management Script Library (download); HP Connect for Microsoft Endpoint Manager; HP Manageability Integration Kit (download); HP Patch Assistant (download)
HP segment	Business
Power
Power supply	90 W
Power supply input frequency	50 - 60 Hz
Power supply input voltage	100 - 240 V
Weight & dimensions
Width	6.97" (177 mm)
Depth	6.89" (175 mm)
Height	1.34" (34 mm)
Weight	3.13 lbs (1.42 kg)
Package width	19.6" (498 mm)
Package depth	9.25" (235 mm)
Package height	5.2" (132 mm)
Package weight	7.5 lbs (3.4 kg)
Packaging data
Package width	19.6" (498 mm)
Package depth	9.25" (235 mm)
Package height	5.2" (132 mm)
Package weight	7.5 lbs (3.4 kg)
Packaging content
Display included	No
Bundled software	HP Wolf Pro Security Edition (1 year)
Display
Display included	No
Other features
Processor manufacturer	Intel
Trusted Platform Module (TPM)	Yes
On-board graphics card	Yes
Keyboard type	USB