Introduction
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.
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
Yes
Number of storage drives installed
1
Optical drive type
No
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
Yes
Design
Number of 2.5" bays
1
Chassis type
Mini PC
Colour name
Jack black
Product colour
Black
Introduction year
2026
Brand-specific features
HP GTIN (EAN/UPC)
199896369022
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 segment
Business
Ports & interfaces
Microphone in
Yes
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
DisplayPorts quantity
2
DisplayPort version
1.4
HDMI ports quantity
1
HDMI version
2.1
Ethernet LAN (RJ-45) ports
1
Combo headphone/mic port
Yes
Processor
Processor manufacturer
Intel
Processor family
Intel® Core™ i5
Processor cores
10
Processor threads
16
Processor boost frequency
4.5 GHz
Processor cache
20 MB
Processor cache type
L3
Processor generation
Intel® Core™ i5 (14th gen)
Processor model
i5-14400T
Performance cores
6
Efficient cores
4
Efficient-core Max Turbo Frequency
3.2 GHz
Processor socket
LGA 1700
Processor base power
35 W
Maximum turbo power
82 W
Memory
Maximum internal memory
8 GB
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
Graphics
On-board graphics card
Yes
On-board GPU manufacturer
Intel
On-board graphics card family
Intel® UHD Graphics
On-board graphics card model
Intel UHD Graphics 730
Discrete graphics card
No
Discrete graphics card model
Not available
Network
Ethernet LAN
Yes
Wi-Fi
Yes
Top Wi-Fi standard
Wi-Fi 6 (802.11ax)
Wi-Fi standards
Wi-Fi 6 (802.11ax)
WLAN controller manufacturer
Realtek
WLAN controller model
Realtek RTL8852BE
Antenna type
2x2
Bluetooth version
5.3
Ethernet LAN data rates
10,100,1000 Mbit/s
Bluetooth
Yes
Mouse
Movement resolution
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)
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)
Yes
Trusted Platform Module (TPM) version
2.0
Software
Operating system installed
Windows 11 Pro
Processor special features
Intel® Turbo Boost Technology
Yes
Power
Power supply input voltage
100 - 240 V
Power supply input frequency
50 - 60 Hz
Power supply
90 W
Display
Display included
No
Operational conditions
Operating temperature (T-T)
10 - 35 °C
Operating relative humidity (H-H)
10 - 90%
Sustainability
Sustainability certificates
ENERGY STAR, EPEAT
Sustainability compliance
Yes
Weight & dimensions
Width
177 mm
Depth
175 mm
Height
177 mm
Weight
1.42 kg
Package width
498 mm
Package depth
235 mm
Package height
132 mm
Package weight
3.4 kg
Technical details
General Product Safety Regulation (GPSR) URL
https://support.hp.com/us-en/document/ish_6126692-6126777-16?openCLC=true
Other features
UNSPSC-code
43211507
Memory module type
SODIMM
Audio
Audio chip
Realtek ALC3252
Supplier features
Manufacturer warranty
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.
