Price history
HP
HP Pro 400 G9 Mini PC Desktop with Windows 11 Pro
A palm-sized HP Pro 400 G9 that drives three 4K displays at once while staying whisper-quiet on your desk
$639.99*
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*Price sourced from Amazon.com. Last updated:Jul 29, 2026.Price and availability are subject to change.
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Overview
Key Features
【Compact, Durable, and Trusted HP Quality】: Weighing under 3 pounds and measuring just 17.7 x 17.5 x 3.4 cm, this Mini PC combines a sleek, space-saving design with HP’s legacy of reliability and innovation. Crafted with premium materials, it’s engineered to withstand daily use while ensuring enterprise-grade performance and dependable support for your business or personal needs.
【Efficient Performance for Business & Everyday Use】: Powered by the Intel Celeron G6900T (Dual-Core, 4MB Cache, 2.8 GHz), engineered for smooth multitasking and daily computing, with Intel UHD Graphics delivering crisp visuals for work or entertainment.
【High-Speed RAM & Ample Storage】: Configurable up to 32GB DDR5 RAM for effortless multitasking and blazing-fast response times, paired with up to 4TB PCIe M.2 SSD for ultra-fast boot-up and efficient data handling.
【Comprehensive Connectivity by HP】: Designed for modern needs with advanced ports: 1 headphone/microphone combo, 1 USB Type-C (20Gbps), 2 USB Type-A (10Gbps, 1 with charging). 2 DisplayPort 1.4, 1 HDMI 2.1, 1 Ethernet, 3 USB Type-A (10Gbps & 5Gbps), power connector.
【HP-Powered Productivity with Windows 11 Pro】: Enjoy the latest Windows 11 Pro, pre-configured for organised multitasking, intuitive navigation, and collaboration tools—all supported by HP’s quality guarantee.
Specifications
Brand
HP
Model
Pro 400 G9 Mini
Processor
Intel Core i3-1315U
Memory
16GB DDR5 RAM
Storage
256GB PCIe M.2 SSD
Graphics
Intel UHD Graphics
Operating System
Windows 11 Pro
Display Support
Triple 4K
Video Outputs
2 DisplayPort 1.4, 1 HDMI 2.1
USB Ports
1 USB-C (20Gbps), multiple USB Type-A (10Gbps & 5Gbps)
Wireless
WiFi 6, Bluetooth 5.2
Dimensions
17.7 x 17.5 x 3.4 cm
Frequently Asked Questions
How many monitors can the HP Pro 400 G9 Mini actually drive at once?
It supports triple 4K displays, using its two DisplayPort 1.4 outputs and one HDMI 2.1 port to run three screens simultaneously for a multi-monitor setup.
What processor and memory does this specific configuration include?
This version pairs an Intel Core i3-1315U processor with 16GB of RAM and a 256GB SSD, a setup geared toward office work and everyday multitasking.
Does the HP Pro 400 G9 Mini come with a keyboard and mouse?
Yes, this bundle includes a keyboard and mouse, and it ships with Windows 11 Pro preinstalled so you can set it up and start working right away.
Is 256GB of storage enough for this Mini PC?
It is adequate for the operating system, applications, and documents, but large media libraries fill it quickly, so consider an external drive or an SSD upgrade.
How fast are the USB ports on this HP Mini PC?
The USB Type-C port runs at 20Gbps, while USB Type-A ports reach up to 10Gbps, with one Type-A port also supporting charging for connected devices.
Is the HP Pro 400 G9 Mini quiet enough for a shared office?
HP markets it with an ultra-quiet design, and its compact, low-profile chassis is intended to sit unobtrusively on a desk or behind a monitor in shared spaces.
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