HP ProDesk Mini 400 G9 Desktop PC


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HP ProDesk Mini 400 G9 Intel i3-12100T 4.1GHz 8GB RAM 256GB SSD Mini PC with Windows 10 Pro
The HP Pro Mini 400 provides users with the commercial-grade performance, security,?and the flexible deployment capabilities?needed for small workspaces.?This?ultrasmall form factor PC?is?powered by an Intel®?processor?and?protected with always-on security you can trust.
Flex ports for easy expansion:
Configure or expand your Mini your way with flex ports for legacy or clean desk connectivity.
Latest Intel processor:
Accomplish everything from minor tasks to complex projects with the latest Intel processor.
Work with peace of mind:
HP Wolf Security for Business creates a hardware-enforced, always-on, resilient defense. From the BIOS to the browser, above, in, and below the OS, these constantly evolving solutions help protect your PC from modern threats.
PB Tech is a HP Gold Partner
Frequently asked questions
Can I swap out parts and/or add/change/remove operating systems in a PB Tech PC?
We can add any part to a PC for a small fee as long as we don’t need to remove an existing part for it to fit, for example adding more RAM, an extra hard drive, installing a Windows OS, or adding a graphics card to a PC without one (we can even SLI/Crossfire for you if it is compatible). We cannot change components that are part of an existing build e.g. Upgrade an existing graphics card or add a SSD with Windows installed if the PC only has a single hard drive (as the OS is already pre-installed). If you do have a specific requirement, then one of our experienced sales team will be happy to build a system that suits your needs.
Contact our WebSales team here
What parts are used in this PC?
The parts are subject to change depending on stock availability but the specifications listed in the title will always be correct. If you have specific parts you are after, one of our experienced sales team will be happy to build a system that suits your needs.
Once again, you can
contact our WebSales team here


Operating system
Windows 10 Pro (available through downgrade rights from Windows 11 Pro)
Intel Core i3-12100T (up to 4.1 GHz with Intel Turbo Boost Technology, 12 MB L3 cache, 4 cores, 8 threads)
Form factor
Management features
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)
Security management 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
8 GB DDR4-3200 MHz RAM (1 x 8 GB)
Memory Slots
Internal Storage
Graphics (integrated)
Intel UHD Graphics 770
I/O Port location Front
1 headphone/microphone combo; 1 SuperSpeed USB Type-A 10Gbps signaling rate; 1 SuperSpeed USB Type-A 10Gbps signaling rate (charging); 1 SuperSpeed USB Type-C 20Gbps signaling rate
I/O Port location Rear
1 power connector; 1 RJ-45; 1 SuperSpeed USB Type-A 10Gbps signaling rate; 2 SuperSpeed USB Type-A 5Gbps signaling rate; 2 DisplayPort 1.4; 1 HDMI 2.1
Expansion slots
1 M.2 2230; 1 M.2 2280
Realtek ALC3252 codec, universal audio jack with CTIA and OMTP headset support
Realtek RTL8852BE Wi-Fi 6 (2×2) and Bluetooth 5.2 combo
90 W external power adapter, up to 89% efficiency, active PFC
Operating temperature range
10 to 35°C
Minimum dimensions (W x D x H)
177 x 175 x 34 mm
1.42 kg
Manufacturer Part No:
Product Type:
Desktop PC

Product Family:
ProDesk Mini
Shipping Weight:
12 kg
PB Part No:
Product Model:
400 G9
36 months *
* Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.

Why is there a reasonable price displayed?

Discover the reason behind our incredibly reasonable prices! At our company, we prioritize your satisfaction and work tirelessly to offer you access to top-notch brands without breaking the bank. Our commitment to minimizing profit margins enables us to deliver affordability without compromising on quality. Shop with confidence and explore a wide range of reputable products at budget-friendly rates. Your satisfaction is our priority!

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