Everyone likes a good analysis of a Mini-ITX sized board, but this time we're looking at a  B360 chipset version. This chipset offers users the ability to jump into Coffee-Lake based CPUs who do not plan on overclocking. The ASRock B360M-ITX/ac we have on the test bench is a fully featured board with a single M.2 slot, Intel Networking (LAN and Wi-Fi), along with USB 3.1 (10 Gbps) ports. 

ASRock B360M-ITX/ac Overview

Over the past few weeks, we have looked at several small form factor (SFF) motherboards of all types. Recently we published our ASRock Z370 Gaming-ITX/ac review, which is a board with an eye towards gaming, but here the ASRock B360M-ITX/ac doesn't really place itself into any category. The board is intended to exist as a SFF option based on a mid-range chipset in Intel's B360.

With overclocking not a possibility (among other things), users are able to save a few dollars as board partners tend to use only what is required for power delivery. Users are also to save money getting into the platform by choosing non "K" series CPUs and memory running DDR4-2666 or less. That doesn't mean it is without features. The B360M-ITX/ac includes Wi-Fi capabilities, USB 3.1 (10 Gbps) Type-A ports, as well as a M.2 slot. Those who are looking for RGB LED support will also have to look elsewhere as the board does not have any integrated, nor headers on the board supporting it. Users will have to bring the bling from elsewhere. 

Overall performance on this motherboard was fine, with it competitive with the other boards we have compiled data on. Single threaded performance and multi-threaded performance without AVX instructions landed just as expected, on par with other datasets and went without issue. This board did have the fast time to POST out of any board we have tested.

We did, however, run across a couple of bumps in the road when testing POV-Ray and Blender. In those heavily multi-threaded AVX enabled benchmarks, the board hit power limits during these tests and throttled the CPU back and yielded lower scores. Once the power limit was raised, scores came back up in both tests, but not quite matching the other boards. This time, instead of hitting the power limits (raised to their maximum of 130W/140W Long/Short duration power limits) it ran into a "VR Temperature limit" issue according to Intel XTU and also throttled.

This throttling didn't rear its head over a long period of time as temperatures increased, but showed up within several seconds of beginning the tests. The heatsink attached to the power bits, while small, made good contact and wasn't really warm to the touch. Even after placing a fan blowing directly over the VRM's it did not help. It just feels like out of the gate, these loads were simply too much for the board to handle.  That said, all other loads tested, including gaming, were fine and didn't show any throttling behavior. But if the planned use for this board is to use it with an i7-8700K and heavily multi-thread AVX based workloads, other choices may perform better. 

In the B360 Mini-ITX realm, there are several to choose from, with at least one from each of the major board partners vying for your money. The ASRock B360M-ITX/ac is priced at around $100 when not on sale (currently $90 at Newegg) which is the same price as the GIGABYTE B360N WIFI ($99), and the MSI B360I Gaming Pro AC ($98). The most expensive option out of the four comes from ASUS and their ROG Strix B360-I Gaming ($128).

Each board will have its own merits with the MSI and ASUS offerings giving users two M.2 slots versus one on the ASRock board and GIGABYTE. The ASUS board does have superior audio capabilities with its SupremeFX S1220A codecs (based off the latest Realtek ALC1220 codecs) as well as ASUS and GIGABYTE's Superior Wi-Fi using its Intel-based device supporting speeds up to 1.73 Gbps. There are other differences as well including RGB LED support as well as video output differences among others. 

ASRock's B360 Strategy

ASRock has brought forth around a half-dozen motherboards in the B360 lineup. The lineup includes two Mini-ITX boards, three MicroATX boards and two ATX size boards giving users a complete lineup of form factors in the B360 lineup. 

ASRock B360 Motherboard Lineup
  Size AnandTech
Review
Amazon Newegg
B360 Gaming K4 ATX   $110 $110
B360M-ITX/ac mITX [this review] $102 $90
B360 Pro4 ATX   $83 $81
B360M Pro4 mATX   $78 $78
B360M-HDV mATX   $69 $63
B360M Performance mITX   ? ?

 

Information on Intel's Coffee-Lake CPU Desktop Processors

One important piece of information to note: technically these processors use the LGA1151 socket, also used by 6th and 7th Generation processors using the Z170 and Z270 chipsets. But due to several (albeit minor) difference in the pin-layout of these two sets of processors, the 8th Generation Coffee Lake will only work in Z370 boards and are not cross-compatible. Back in October 2017, Ian Cutress reviewed a couple of processors (i7-8700K and i5-8400) in the Coffee Lake lineup - details on the rest of the product stack are listed below.

 

The ASRock B360M-ITX/ac Review

In this review, we have the following pages:

  1. Overview
  2. Visual Inspection
  3. BIOS and Software
  4. Board Features
  5. System Performance
  6. CPU Performance
  7. Gaming Performance
  8. Conclusions
Visual Inspection
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  • katsetus - Monday, September 17, 2018 - link

    So... It's not very good?
    Power delivery being overloaded by a "95 watt" CPU is not a good sign. Everyone knows that Intel's TDPs are by and large arbitrary numbers, especially motherboard engineers.
    Although, I guess, same as you do, that this will not be paired with higher-end CPUs and neither will they be pushed to the limits. Still, a poor effort in my mind, especially for a B-series motherboard.
    Reply
  • PeachNCream - Tuesday, September 18, 2018 - link

    I'm thinking the 8700k is an outlier CPU in this motherboard under those particular workload conditions would be unusual. It's likely any of the non-K i5 and i3 processors equipped with a retail boxed cooler wouldn't exhibit the same problems when fully loaded. They're far more likely candidates for a motherboard in this price range anyway.

    Yeah, it the board should handle the workload better given its rated for a 95W chip, but it doesn't make a lot of sense to cheap out on the motherboard when trying to squeeze everything you can out of a K CPU.
    Reply
  • Mr Perfect - Wednesday, September 19, 2018 - link

    This makes me wonder how well it would do with an 8600 non-k. It's a little silly to get a Z3x0 overclocking chipset for a locked processor, so a B360 like this would have been worth considering. Reply
  • Yaldabaoth - Monday, September 17, 2018 - link

    Page 8: " On the audio side of things, the Realtek ALC887 codec is used and supports 7.1ch surround. "

    Please educate me. How can this board support that with the audio I/O it provides? Doesn't it need more, or am I that behind the times?
    Reply
  • katsetus - Monday, September 17, 2018 - link

    *To configure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.

    The jacks have 2 poles, so you get 4 channels from front panel.

    Also a fun fact: ALC887 is now over 10 years old.
    Reply
  • Yaldabaoth - Monday, September 17, 2018 - link

    Thanks for that insight! Reply
  • kmi187 - Monday, September 17, 2018 - link

    What I found funny about this chip is that it can sound extremely horrible, and also very good. A lot depends on how the manufacturer decided to implement the chip on the board and with what components. Since they usually end up in very cheap boards, not a lot attention is given so most people think they sound bad. Rightfully so, if you hear bad sound, it's probably bad. But then on other boards with the same chip, it can sound really nice.

    Now I'm not saying this is a great chip, it's average at best and that's all it ever will be. But how it's implemented on a board, defenitly makes a difference in the end result that you get to hear.
    Reply
  • bigpondsupport - Tuesday, September 18, 2018 - link

    For more details http://bigpondsupporthelp.strikingly.com/ Reply
  • Samus - Monday, September 17, 2018 - link

    The audio codec kills the board as an option for me. I'm looking to build an i5-8400 replacement for my FT03-mini still running an H87 Xeon V3 board. Basically I'd like NVMe M.2, native USB 3.1, and modern PCIe.

    But since ITX boards naturally only have ONE PCIe slot, every other component needs to be future-proof. The ALC 887 IS NOT future-proof. It's a terrible codec by modern standards. The SNR isn't competitive no matter how it is implemented.

    The fact it struggled with a 95w CPU isn't all that surprising, but follows the theme of corner-cutting through this boards development. This would be a good board for $50-$60, because it's obviously the worst ITX board you can buy for Coffee Lake. At it's current price it's a no-brainer to just buy the ASUS for $20 more...
    Reply
  • vlado08 - Monday, September 17, 2018 - link

    I don't think there is a HDMI 2.0 on this board Reply

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