HP Pro Mini 400 G9 Business Mini PC Desktop Computer

Name: HP Pro Mini 400 G9 Business Mini PC Desktop Computer, Intel Hexa-Core i5-12500T, 4GB DDR4 RAM, 128GB PCIe SSD, WiFi 6, Bluetooth 5.2, Windows 11 Pro
Brand: Unbranded
SKU: B0GTLGFJHL

Status: HP Pro Mini 400 G9 Business Mini PC Desktop… (Core i5-12500T 4GB mini PC): Unavailable on Amazon as of 2026-10-20 10:25 UTC. SpecPicks has no in-stock Core i5-12500T 4GB mini PC on file; an Amazon search for "Core i5-12500T 4GB mini PC" lists current offers with the same specs. eBay sellers may still list this model new or used.

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Bottom line: The HP Pro Mini 400 G9 Business Mini PC Desktop Computer is a specs-and-price decision rather than a crowd-consensus one in the home ai / computer lab category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Unavailable on Amazon as of 2026-10-20 10:25 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ HP Desktop Graphics: Intel UHD Graphics 770

Cons

✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Operating systemWindows 11 ProProcessor12th Gen Intel Core i5-12500T (18 MB cache, 6 cores, 12 threads, 2.00 GHz to 4.40 GHz Turbo).ChipsetIntel Q670GraphicsIntegrated Intel UHD 770 GraphicsMemory4GB DDR4 RAMHard drive128GB PCIe NVMe TLC SSDWireless technologyRealtek RTL8852BE Wi-Fi 6 (2x2) and Bluetooth 5.2 comboPower supply90 W external power adapter, up to 89% efficiency, active PFCExternal I/O PortsFront: 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 rateRear…

SpecPicks Verdict

SpecPicks scored HP Pro Mini 400 G9 Business Mini PC Desktop Computer using a rating × review-volume × price-fit model applied to published specs and reviews across the home ai / computer lab category. Compare with similarly-priced alternatives in the home ai / computer lab category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for home ai / computer lab of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

Pro Mini 400 G9 Desktop PC CPU: 12th Gen Intel Core i5-12500T (18 MB cache, 6 cores, 12 threads, 2.00 GHz to 4.40 GHz Turbo).
HP Desktop Graphics: Intel UHD Graphics 770
Memory: 4GB DDR4 RAM; Hard Drive: 128GB M.2 PCIe NVMe SSD. Optical Drive: No.
Realtek RTL8852BE Wi-Fi 6 (2x2) and Bluetooth 5.2 combo. 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. 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.
Windows 11 Professional, English. Wired Keyboard and Mouse included.

Full Specifications

Brand	HP
Turbo	Yes
Memory	4GB DDR4 RAM; Hard Drive: 128GB M.2 PCIe NVMe SSD. Optical Drive: No.
RAM Type	DDR4 SDRAM
CPU Model	Core i5-12500T
CPU Speed	2 GHz
Cache Size	18 MB
Model Name	Pro Mini
Model Year	2026
Unit Count	1 Count
Connectivity	Bluetooth, USB, WiFi
Model Number	400 G9
Video Output	DisplayPort 1.4, HDMI 2.1
Compatibility	PC
Built-In Media	Computer
Item Type Name	MFF
Connection Type	Wired
Item Dimensions	6.97 x 6.89 x 1.34 inches
Processor Brand	Intel
Processor Count	6
Full listing title	HP Pro Mini 400 G9 Business Mini PC Desktop Computer, Intel Hexa-Core i5-12500T, 4GB DDR4 RAM, 128GB PCIe SSD, WiFi 6, Bluetooth 5.2, Windows 11 Pro

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