Just a few days after introducing some of the first 4×4 mini PCs powered by Intel’s 14th-gen Intel Core Ultra “Meteor Lake” processors, ASRock Industrial has unveiled an option for folks that want a little more flexibility (and possibly less convenience).

The new ASRock NUC Ultra 100 Motherboard Series are a line of 104 x 102 x 38mm (4.1″ x 4″ x 1.5″) boards that come with Intel Core Ultra 5 125H and Core Ultra 7 155H processor options.

These are basically the same boards at the heart of the new NUC Ultra 100 BOX mini PCs, but the motherboards ship without a case.

Both models support up to 96 GB of DDR5-5600 memory and up to three storage devices, thanks to M.2 2280 and M.2 2242 slots, both with support for PCIe Gen 4 SSDs, and a connector for a SATA 3 HDD or SSD.

Ports include:

  • 1 x HDMI 2.1
  • 1 x DisplayPort 2.1
  • 2 x 2.5 GbE Ethernet (1 x I226LM, 1 x I226V)
  • 1 x Thunderbolt 4 (w/DisplayPort 2.1 Alt Mode)
  • 1 x USB 3.2 Gen 2 Type-C (w/DisplayPort 1.4a Alt mode)
  • 3 x USB 3.2 Gen 2 Type-A
  • 1 x 3.5mm audio

There’s also an M.2 2230 slot for a wireless card and a power input for a 12-24V DC power supply.

ASRock says the system supports up to four 4K displays if you use the HDMI, DisplayPort, Thunderbolt, and USB Type-C ports at the same time.

The ASRock NUC-125H is powered by an Intel Ultra 5 125H processor with 4 Performance cores, 8 Efficiency cores, 2 Low-Power Efficiency cores, and Intel Arc graphics with 7 Xe cores, while the ASRock NUC-155H has an Intel Core Ultra 7 155H chip with 6 Performance cores and 8 Xe graphics cores.

press release

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  1. I like the notion of these boards, would be keen to take one for a spin (either in this form, or with an AMD 8000U/7000U CPU), but have yet to find a site that offers them for sale. It doesn’t look like ASRock sells (them) directly to the consumer, either? Makes a guy question whether these are real products.

  2. @Dave G.
    Not to send you to a different site, but check out Servethehome.com. They have a fair number of passive NUC class reviews.

  3. Brad, Your enthusiasm is fabulous, I get it! But I would greatly appreciate an explainer on your headlines and industry keywords. Sadly, I have no idea what a Meteor-Lake is and Chat GPT gives me the same irrelevant garbage as you do. FWIW I am interested in performance NUCs with passive cooling and struggling to find good reviews.

    1. Check intels website, it’ll (probably) explain it somewhere, although the Lake doesn’t tell you much information other than if a processor is “current” at the moment.

    2. Dave, your enthusiasm is fabulous, but please don’t be afraid to do even the slightest bit of research.

      The very first sentence of this article contains the phrase ’14th-gen Intel Core Ultra “Meteor Lake” processors’. Have you considered copying and pasting that into one of many popular internet search engines at your disposal? Matter of fact, you can even supplement that specific query with keywords such as ‘review’ to find more of the information you desire.

      For more information, feel free to ask your favorite chatbot about the specifics of internet search engines, and how one might use them effectively.