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Supermicro C9Z390-CG-IW (Intel Z390) Motherboard Review

By Steven Bassiri from Feb 18, 2019 @ 10:00 CST
TweakTown Rating: 92%Manufacturer: Supermicro

What's Hot


Quality: The VRM might not look impressive on the C9Z390-CG-IW, but it's using some of the highest quality components you will find on any motherboard. Using the 70A Infineon power stages and the server grade Primarion digital PWM controller, the motherboard is actually able of providing an overclock. Supermicro also added in features that most people might not know about, such as HDMI 2.0.


Intel Networking: Supermicro is using not only an Intel wired LAN controller but also the latest Intel Wireless AC controller capable of 1.73Gbps.


USB 3.1: Supermicro's implemented a lot of Intel's latest USB 3.1 (10Gbps) on this motherboard, even when they didn't have too.



What's Not


USB 2.0: The Supermicro C9Z390-CG-IW doesn't have any internal USB 2.0 headers.




Final Thoughts


The mini-ITX platform is one of the more challenging ones, and generation after generation Supermicro has been making improvements. For this generation they greatly improved the VRM over that of their Z370 motherboard, added in a lot of USB 3.1 (10Gb/s), and upgraded WIFI. They kept HDMI 2.0a and that's important because it requires another chip, and if you use this motherboard in a HTPC system, HDMI 2.0 is a must for 4K streaming.




We did find some of the layout odd, such as the location of the USB 3.1 type-C internal header, putting both fan headers at the top, and the lack of an internal USb 2.0 header. The price of this motherboard is a bit high, but that's kind of unavoidable when using the quality parts that Supermicro has in the VRM. If you want a solid Z390 mini-ITX motherboard, give this one a look.

Product Summary Breakdown

TweakTown award
Overall TweakTown Rating92%

The Bottom Line: Loaded with server-grade components meant to better support the 9900K on this mini-ITX motherboard, the C9Z390-CG-IW is a very high quality product.

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