ASRock has introduced its new Thin Mini-ITX platform designed specifically for AMD APUs, the A320TM-ITX. After ASRock officially announced its Intel-based Mini-STX platform back at CES 2019, the AMD offeringallows users to use AMD's Zen and A-series based APUs up to a TDP of 65W into a Thin Mini-ITX chassis. Other notable features include dual HDMI 1.4 outputs and a Realtek RTL8111 1 GbE networking chip.

The ASRock A320TM-ITX motherboard is based on the Thin Mini-ITX form factor which has a small 170 x 170 mm footprint. While the smaller Thin-ITX form factor is usually still compatible with a regular Mini-ITX chassis, users can make use of smaller cases such as the Silverstone PT13B Petit and the AKASA Cypher which comes included with a 120 W power supply. Some of the notable features of the A320TM-ITX includes support for up to 32 GB of DDR4-2933 SO-DIMMs; the two RAM slots themselves feature angled SO-DIMM slots which allows for a lower height. While there is limited space available for componentry, ASRock has included two front panel USB 2.0 headers which offer an additional four ports.

While conventional motherboards use a 20/24-pin ATX motherboard power input, the A320TM-ITX uses a 4-pin 19 V power connector which is designed to save space. The power delivery is advertised to feature a 5-phase configuration and neither the CPU VCore or SoC element is covered or cooled by heatsinks.  Other connectors include two 4-pin CPU fan headers, a header for front panel audio and one LVDS connector for LCD controllers which also is complemented by two jumpers; one for backlight power and one for panel disablement. The storage capability is comprised of a single SATA connector and a single M.2 2260/2280 slot which does support the use of an NVMe SSD as a boot disk.

The rear panel on the ASRock A320TM-ITX is shortened to reduce the overall height of the system. Featured are four USB 3.1 G1 Type-A ports, a D-sub for the LVDS, a single HDMI 1.4 out, with a second HDMI 1.4 output located on the top edge of the PCB. Rounding off the rear panel is a single RJ45 LAN port powered by a Realtek RTL8111 Gigabit network controller and two 3.5 mm audio jacks which are powered by a jow-jack Realtek ALC233 audio codec.

Both the pricing and availability are currently unknown for the ASRock A320TM-ITX motherboard, but we expect ASRock to unveil more details in the near future, especially with Computex around the corner.

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  • wordlv - Wednesday, April 24, 2019 - link

    Yes. I've had one bookmarked on Ebay for months now because I new I would need it eventually. Supports AM4/1U for thin rack sever chassis.
  • wordlv - Wednesday, April 24, 2019 - link

    Knew.. Sorry.. Wouldn't let me edit.
  • Lucky Stripes 99 - Sunday, May 5, 2019 - link

    The Noctua NH-L9a is also very popular with mini-STX system builders since those cases tend to be about the same height as thin mini-ITX cases. Since these boards are limited to 65W TDP, it is more than enough cooling capacity.
  • sffan43 - Wednesday, April 24, 2019 - link

    The ID Cooling IS-30 should be both am4 and intel compatible. Ordered one a week ago, still waiting for it to arrive. 30mm height
  • HardwareDufus - Wednesday, April 24, 2019 - link

    A Mini-ITX board with 2 HDMI ports... FINALLY! Too bad they aren't 2.0 though... Wouldn't matter now, as I'm just running 2 24" 1920X1200 monitors... but eventually I'd like to go to 2 32" 4K monitors for my coding/development/deployment efforts (my eyes are getting older, just need everything to be a bit bigger and sharper.)
  • dromoxen - Thursday, April 25, 2019 - link

    The Five VRM's look different to normal ones .. is this because they are industrial quality and rated for higher thermal endurance or becuase its 19v in?
  • supdawgwtfd - Saturday, April 27, 2019 - link


    I'm sure a simple spell check would have detected this.
  • supdawgwtfd - Saturday, April 27, 2019 - link

    Also that is not technically a RJ45 LAN port...

    RJ45 does not mean what you think it is.
  • ballsystemlord - Saturday, April 27, 2019 - link

    I'm more concerned about the reliability. I've been reading up on the reviews on multiple mother boards from multiple manufacturers at newegg (I've not read the Intel MBs reviews, just AMD).
    The failure rates are awful. Depending on the board, 40%-60% of the buyers report a return, refund, warranty claim, or just plain old failure with the often following rant of never wanting to buy from X again.
    Yes I have better things to do with my life so my research was limited and certainly not worth writing an article about, but it does prove that there's a problem with at least the AM4 MBs for ryzen.
    No, the 400 series does not fix a thing according to reviewers, so it's not just a growing pain.
  • digitalgriffin - Monday, April 29, 2019 - link

    Could have been a great network appliance if they only added a second NIC.

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