Pro Mini 400 G9 Desktop PC, Windows 11 Pro, Intel Core™ i5, 8GB RAM, 256GB SSD
Commercial-grade Mini PC that fits anywhere you work The HP Pro Mini 400 provides users with the commercial-grade performance, security, and the flexible deployment capabilities needed for small, varied workspaces. This reliable, ultra-small PC is powered to handle mainstream enterprise and SMBs with an Intel processor[2] and protected with always-on security you can trust.
Processor
Processor manufacturer
Intel
Processor family
Intel® Core™ i5
Processor generation
Intel® Core™ i5 (14th gen)
Processor model
i5-14400T
Processor cores
10
Processor threads
16
Processor boost frequency
4.5 GHz
Performance cores
6
Efficient cores
4
Efficient-core Max Turbo Frequency
3.2 GHz
Processor socket
LGA 1700
Processor cache
20 MB
Processor cache type
L3
Maximum turbo power
82 W
Processor base power
35 W
Memory
Internal memory
8 GB
Maximum internal memory
8 GB
Internal memory type
DDR5-SDRAM
Memory layout (slots x size)
1 x 8 GB
Memory slots
2x DIMM
Memory clock speed
4800 MHz
Storage
Total storage capacity
256 GB
Optical drive type
No
Storage media
SSD
Number of storage drives installed
1
Total SSDs capacity
256 GB
Number of SSDs installed
1
SSD capacity
256 GB
SSD interface
PCI Express
NVMe
Yes
Graphics
Discrete graphics card
No
On-board graphics card
Yes
Discrete graphics card model
Not available
On-board GPU manufacturer
Intel
On-board graphics card family
Intel® UHD Graphics
On-board graphics card model
Intel UHD Graphics 730
Network
Ethernet LAN
Yes
Ethernet LAN data rates
10,100,1000 Mbit/s
Wi-Fi
Yes
Top Wi-Fi standard
Wi-Fi 6 (802.11ax)
WLAN controller manufacturer
Realtek
Wi-Fi standards
Wi-Fi 6 (802.11ax)
WLAN controller model
Realtek RTL8852BE
Antenna type
2x2
Bluetooth
Yes
Bluetooth version
5.3
Ports & interfaces
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
3
USB 3.2 Gen 2x2 Type-C ports quantity
1
HDMI ports quantity
1
HDMI version
2.1
DisplayPorts quantity
2
DisplayPort version
1.4
Ethernet LAN (RJ-45) ports
1
Microphone in
Yes
Combo headphone/mic port
Yes
Design
Chassis type
Mini PC
Colour name
Jack black
Number of 2.5" bays
1
Product colour
Black
Introduction year
2026
Performance
Product type
Mini PC
Market positioning
Proven productivity
Motherboard chipset
Intel Q670
Audio chip
Realtek ALC3252
Password protection
Yes
Password protection type
BIOS, Power on
Trusted Platform Module (TPM) version
2.0
Trusted Platform Module (TPM)
Yes
Software
Operating system installed
Windows 11 Pro
Processor special features
Intel® Turbo Boost Technology
Yes
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)
1 year (1/1/1) limited warranty includes 1 year of parts, labor and on-site repair. Terms and conditions vary by country. Certain restrictions and exclusions apply.