Expansion bays and slots

The HP Pro SFF 400 has an m.2 slot for WLAN and one for storage, one PCIe x16 slot, and one PCIe x1 slot.

Connect up to 3 displays

Increase productivity and tackle a range of workflows with video ports supporting up to three displays.^[3]

Protected by HP Wolf Security

HP Wolf Pro Security Edition PCs interlace HP Sure Click Pro with HP Sure Sense Pro providing more in-depth coverage than the standard versions through a 1-year or 3-year user license with HP Support.^[5] This creates a powerful, single solution that doesn’t require an IT-managed PC environment.

Help protect our shared future

A high-efficiency power supply and molded-pulp packaging9 help reduce the impact on the environment.^[9]

Windows 11

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

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]

Security is your top priority

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

BIOS management over the network

HP Sure Admin, a modern BIOS management tool, eliminates the need for a password or BIOS configuration utility in the OS by creating a digital signature that allows IT administrators to securely manage BIOS settings over a network. ^[4]

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. ^[6]

Automatic recovery from firmware attacks

Firmware attacks can completely devastate your PC. Stay protected with HP’s self-healing BIOS - HP Sure Start Gen7 automatically recovers the BIOS from malware, rootkits, or corruption.

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.

Erase your drive

HP Secure Erase removes the contents of a hard drive for repurposing or reassignment. ^[7]

Simple PC management

Spend less time and get right to the updates you need with HP Support Assistant. ^[8]

Speed up the basics of IT management

The HP Manageability Integration Kit helps speed up image creation and management of hardware, BIOS, and security through Microsoft System Center Configuration Manager. ^[9]

HP Pro 400 G9. Processor frequency: 3 GHz, Processor family: Intel® Core™ i5, Processor model: i5-12500. 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: 240 W. Chassis type: SFF. Product type: PC. Weight: 9.26 lbs (4.2 kg). Product color: Black

Processor
Processor generation	12th gen Intel® Core™ i5
Processor frequency	3 GHz
Processor family	Intel® Core™ i5
Processor manufacturer	Intel
Processor model	i5-12500
Processor cores	6
Bus type	DMI4
Processor cache type	L3
Processor boost frequency	4.6 GHz
Processor cache	18 MB
Processor threads	12
Number of processors installed	1
Performance cores	6
Performance-core base frequency	3 GHz
Processor base power	65 W
Maximum turbo power	117 W
Performance-core Max Turbo Frequency	4.6 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
ECC	No
Storage
Total storage capacity	512 GB
Optical drive type	No
Storage media	SSD
Number of storage drives installed	1
Number of SSDs installed	1
SSD capacity	512 GB
SSD interface	PCI Express
SSD memory type	TLC
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
Wi-Fi	No
Ports & interfaces
USB 2.0 ports quantity	2
HDMI ports quantity	1
HDMI version	1.4
DisplayPorts quantity	1
Ethernet LAN (RJ-45) ports	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3
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	1
Combo headphone/mic port	Yes
Expansion slots
PCI Express x1 (Gen 3.x) slots	1
PCI Express x16 (Gen 4.x) slots	1
Design
Product colour	Black
Chassis type	SFF
Number of 3.5" bays	1
Performance
Product type	PC
Motherboard chipset	Intel Q670
Audio chip	Realtek ALC3252
Market positioning	Proven productivity
Trusted Platform Module (TPM)	Yes
Software
Operating system installed	Windows 11 Pro
Processor special features
CPU configuration (max)	1
Brand-specific features
HP segment	Business
Power
Power supply	240 W
Sustainability
Sustainability certificates	ENERGY STAR
Weight & dimensions
Width	10.6" (270 mm)
Depth	3.74" (95 mm)
Height	12.1" (308 mm)
Weight	9.26 lbs (4.2 kg)
Package width	15.5" (394 mm)
Package depth	8.07" (205 mm)
Package height	19.6" (499 mm)
Package weight	16 lbs (7.25 kg)
Packaging data
Package width	15.5" (394 mm)
Package depth	8.07" (205 mm)
Package height	19.6" (499 mm)
Package weight	16 lbs (7.25 kg)
Packaging content
Display included	No
Mouse included	Yes
Keyboard included	Yes
Technical details
Sustainability certificates	ENERGY STAR
Other features
Processor manufacturer	Intel
Trusted Platform Module (TPM)	Yes
On-board graphics card	Yes