ASRock X299E-ITX/ac A Very Tiny Mini ITX LGA2066 Motherboard
ASRock managed to inject quite a few features into a 17x17cm motherboard, a Mini-ITX sized motherboard. The ultimate Mini-ITX has to have everything, X299E-ITX/ac was built on a X299 platform to give ultimate processing power, dual Intel Gigabit Lan along with dual band 2.4/5GHz 802.11ac WiFi.
Press-release -- Dual band 2.4/5GHz 802.11ac WiFi provides the best connectivity, USB3.1 Gen2 Type A+C are also available at the rear of the motherboard, more amazingly this little beast also supports quad channel memory up to DDR4 4000 MHz(OC), stunning performance on such a small motherboard.
ASRock has collaborated with water cooling expert Bitspower technology to developed a cooling block specifically for X299E-ITX/ac, it is able to dissipate heat for both CPU & MOSFET up to 300W, a perfect optional upgrade for performance seeker and water cooling enthusiasts.
ASRock has yet again broke the limit to crammed such performance as well as amazing features into a Mini-ITX size motherboard, not only that, X299E-ITX/ac received a TAIWAN EXCELLENCE 2018 award right after the official launch, a perfect affirmation that this little beast is the truly built for small form factor fanatics.
More information can be checked out at the product page.
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no the CPU is bigger than itx form factor ((maybe i am trolling lol

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Unfortunately, I think you are correct.
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Joined: 2012-11-10
Socket TR4 can fit in ITX, in theory. Take a look at the full size ATX boards: some of them have the first PCIe slot directly below the I/O panel. The real challenge with an ITX TR build would actually be finding a place to put the chipset. If a manufacturer did the same sorts of things ASRock did with this X299 board, everything could fit, except the chipset. That would also likely need to be mounted on a separate card, unless you start removing things like SATA or other headers.
What kind of surprises me is why nobody has bothered to create a daughterboard for ITX. So basically the bottom (and larger) layer has the I/O ports, the PCIe x16 slot, the M.2 slots, the chipset, and if there's room, the 24-pin power connector. The bottom layer would also have most/all of the header pins and SATA ports, but angled at 90 degrees. Then, the top layer would contain the CPU socket, RAM slots, VRM, 8-pin power connectors, and maybe the M.2 slot for wifi. Since you're probably going to water-cool this system anyway, I don't think another few cm of elevation is a big deal. You might be thinking that the 4000+ pin CPU would complicate communication to the bottom layer, but I don't think it would:
* Roughly half of the pins in socket TR4 are useless; about half of them are meant for the additional 2 dies supplied by Epyc. AMD made the sockets similar because it was cheaper to just recycle the same socket.
* Though I don't know how many of them there are, a good chunk of the pins of the CPU are used for ground and power delivery, making the remaining ~2000 pins not seem so high. Remember, the VRM and 8-pin power connectors are supplied on the daughterboard too.
* The CPU supplies up to 64 PCIe lanes, but the motherboard will be using less than half that. I have no idea how many pins are dedicated for PCIe but I imagine ignoring at least 32 of them would substantially reduce the complexity.
* There may be quad-channel memory, but that too is on the top-layer board.
So all that being said, I can't imagine it'd be too complex or expensive to connect the two boards.
Probably never going to happen, but I at least think it's cool to think about.
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Will never happen, socket just takes way too much space.
They would have to omit a PCIe slot or vrm above cpu. But then there's not room else where to put things.
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Did anyone notice that the RAM slots are notebook memory type?
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Joined: 2017-08-18
Asrock...rocks.
i have been a bit more than underwhelmed with x299 since the launch. there has been nothing on the mobo front to pique my interest until now.
now there's a usage scenario with Kaby LakeX that make sense. expensive sense, but sense.