9.2Our score 4 photosPro 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).
Ranked #99 in Desktops · 4 things we like
Quick answer The HP Pro Mini 400 G9 Desktop Computer scores 9.2/10 with us. Amazon owners rate it 4.6 out of 5 across 31 reviews, above the 4.3 average of the 130 minis we track. It was listed from $750.00 to $1,399.00 on Amazon depending on the option when we last checked in September 2026. Key facts: operating system Windows 11 Pro, hard disk description SSD, video output interface DisplayPort, HDMI.
Operating system Windows 11 ProProcessor 12th Gen Intel Core i5-12500T (18 MB cache, 6 cores, 12 threads, 2.00 GHz to 4.40 GHz Turbo). Chipset Intel Q670Graphics Integrated Intel UHD 770 GraphicsMemory 16GB DDR4 RAMHard drive 256GB PCIe NVMe TLC SSDWireless technology Realtek RTL8852BE Wi-Fi 6 (2x2) and Bluetooth 5.2 comboPower supply 90 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: 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 2.1Form factor MiniPointing device HP 125 Wired MouseKeyboard HP Wired Desktop 320K KeyboardDimensions (W X D X H) 6.97 x 6.89 x 1.34 inWeight 3.
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| Operating System | Windows 11 Pro |
|---|---|
| Specific Uses For Product | Business, Education, Everyday Use |
| Personal Computer Design Type | Mini PC |
| Hard Disk Description | SSD |
| Hardware Interface | DisplayPort, Ethernet, HDMI, USB, USB Type C |
| Item Weight | 49.8 pounds |
| Video Output Interface | DisplayPort, HDMI |
| Hard Disk Interface | Solid State |
| Video Output | DisplayPort, HDMI |
| Cache Memory Installed Size | 18 MB |
| Memory Storage Capacity | 16 GB |
| RAM Memory Installed | 16 GB |
| RAM Memory Technology | DDR4 |
|---|---|
| Ram Memory Maximum Size | 64 GB |
| RAM Type | DDR4 SDRAM |
| Graphics Description | Integrated |
| Graphics Coprocessor | Intel UHD Graphics 770 |
| Graphics Ram Type | Shared |
| Graphics Card Interface | Integrated |
| Display Resolution Maximum | 3840x2160 |
| Aspect Ratio | 16:9 |
| Resolution | 3840 x 2160 |
| Native Resolution | 3840 x 2160 |
| Human-Interface Input | Keyboard |
Yes, it is one of the stronger picks in its group. We score the HP Pro Mini 400 G9 Desktop Computer 9.2 out of 10. Amazon owners rate it 4.6 out of 5 across 31 reviews, above the 4.3 average of the 130 minis we track. The review count is still small, so treat the rating as an early signal.
It was listed from $750.00 to $1,399.00 on Amazon depending on the option when we last checked in September 2026. That is more than the $419.99 median for minis in our catalog. Amazon prices change daily, so use the price button on this page to see the current figure.
Amazon lists 7 options. Set name: 8GB RAM, 256GB PCIe SSD, 16GB RAM,256GB PCIe SSD, 32GB RAM, 2TB PCIe SSD, 4GB RAM, 64GB PCIe SSD, 16GB RAM, 512GB PCIe SSD, 16GB RAM, 1TB PCIe SSD, 32GB RAM, 1TB PCIe SSD. Pick an option on this page and the button opens exactly that model.
Operating System: Windows 11 Pro; Hard Disk Description: SSD; Video Output Interface: DisplayPort, HDMI; Hard Disk Interface: Solid State; Cache Memory Installed Size: 18 MB; Memory Storage Capacity: 16 GB. All 24 specifications are in the product information table on this page.
Similar, well-rated minis in our catalog: HP ProDesk 600 G4 Mini Desktop PC (9.8/10, 5.0 stars from 12 owners); Bmax Mini PC Computers Intel N4500 Max 2.8GHz (8.8/10, 4.4 stars from 64 owners); KAMRUI Pinova P1 Mini PC (8.6/10, 4.3 stars from 260 owners).
HP ProDesk 600 G4 Mini Desktop PCBmax Mini PC Computers Intel N4500 Max 2.8GHzKAMRUI Pinova P1 Mini PC
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