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Home / DIY-Compatible PCs / May 2026 ITX PC Build Recommendation, 9800X3D RTX5080 High-End Gaming DIY Desktop Host

Attributes

Brand -
Category DIY PCs / DIY-Compatible PCs
Origin -
Processor AMD Ryzen 7 9800X3D (8-Core, 16-Thread, up to 5.2 GHz)
Graphics Card NVIDIA GeForce RTX 5080 16GB GDDR7
Motherboard Mini-ITX B850 Chipset with Wi-Fi 7 and Bluetooth 5.4
Memory 32GB DDR5-6400 CL32 Low-Profile RAM (2x16GB)
Storage 2TB NVMe PCIe 5.0 M.2 SSD
Power Supply 850W SFX-L 80+ Gold Fully Modular PSU
Cooling Solution 240mm AIO Liquid Cooler with Low-Profile Radiator
Case Form Factor Compact Mini-ITX Chassis with Tempered Glass Side Panel
Connectivity 2.5GbE LAN, 4x USB-C, 3x DisplayPort 2.1, 1x HDMI 2.1
Operating System Windows 11 Pro 64-bit (Pre-installed)

6 reviews

A

Anonymous

Mar 31, 2026

Rating: 5/5

Easy Upgrade Path

Bought this as a base to learn more about PC hardware. The layout is logical, and there is just enough room to swap out components later. The documentation provided was very clear.

A

Anonymous

Mar 13, 2026

Rating: 5/5

Perfect Compact Powerhouse

This build is exactly what I needed for my small desk setup. The 9800X3D handles everything I throw at it, and the RTX 5080 runs modern games at max settings without breaking a sweat. Cable management in the ITX case was surprisingly easy.

A

Anonymous

Mar 07, 2026

Rating: 5/5

Silent and Fast

I was worried about noise in such a small case, but the cooling solution is incredibly quiet even under load. Boot times are instant thanks to the PCIe 5.0 SSD. Highly recommend for anyone wanting high performance in a small footprint.

A

Anonymous

Mar 06, 2026

Rating: 4/5

Overkill for Office, Perfect for Evening

Maybe too much power for spreadsheets, but when I switch to gaming in the evening, it's amazing. The form factor looks professional on my desk. Wish it came in a white color option.

A

Anonymous

Mar 03, 2026

Rating: 5/5

VR Ready Beast

Runs my VR sim rig flawlessly. No stuttering, high frame rates, and the compact size fits perfectly in my racing cockpit. The Wi-Fi 7 connection is rock solid for online races.

A

Anonymous

Mar 03, 2026

Rating: 4/5

Great for Work and Play

Using this for 3D rendering and gaming. The performance is stellar. Only giving 4 stars because the pre-installed fans could be slightly brighter for aesthetic customization, but that's a minor nitpick.

5 FAQ

Q: Does the case come with additional fan mounts?

A: The case supports one additional 120mm fan at the bottom for intake if you wish to improve airflow further, though the stock configuration is balanced.

Q: What is the maximum RAM capacity this motherboard can handle?

A: The motherboard supports up to 96GB of DDR5 memory, though it comes configured with 32GB for optimal gaming performance out of the box.

Q: Can I add a second M.2 SSD?

A: Due to the Mini-ITX form factor, there is only one M.2 slot available. However, you can easily replace the existing 2TB drive with a larger capacity one.

Q: Does this build support future CPU upgrades?

A: Yes, the B850 Mini-ITX motherboard uses the AM5 socket, which is designed to support future AMD processor generations.

Q: Is the power supply sufficient for overclocking?

A: The included 850W SFX-L unit provides ample headroom for moderate overclocking of both the CPU and GPU while maintaining efficiency.

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