Supermicro is one of the powerhouses in the workstation and server industry with a wave of top quality professional grade motherboards in their product catalogue. While they aren't as widely known or available as other vendors in the desktop and consumer space, Supermicro did in fact release a pairing of motherboards on the 8th generation Z370 chipset with the C7Z370-CG-L which had an ATX form factor and the smaller mini-ITX C7Z370-CG-IW. On the new Z390 chipset Supermicro are released a total of four models onto the desktop market with each of them encompassing the same levels of focus and refinement that goes into their server grade options. Supermicro is calling this new Z390 range the 'SuperO' with some interesting takes on certain and key areas of interest to note.

These boards include a PCB composed of epoxy glass resin with TU-662/NP175 materials being used to form a much more efficient PCB than the cheaper FR4; the better the PCB, the less signal transmission that is lost overall. The SuperO range also uses 15-micron gold-plating on all of the slots and socket, not just the CPU and memory, but across all available areas. This is to improve the signal quality for a more efficient and stable signal; this includes the use of Japanese capacitors from companies which include Nippon Chemi-con which are some of the most widely accepted in the industry.

Supermicro C9Z390-PGW

Starting with the most comprehensive of the four Supermicro SuperO series motherboards, the C9Z390-PGW is the flagship and has some very notable and interesting features. The first of this is dual LAN which consists of an Intel I219V Gigabit controlled port with the second featuring a high-end Aquantia AQC107 10G LAN port; one of a small handful of Z390 boards to include 10 G. Secondly the design follows an industrial theme throughout with the design looking like a panel expected inside an American tank; this is as unique as say the Z390 Taichi, but in a different style without as much flair. The color scheme is comprised of an all-black PCB On the RGB front, Supermicro includes three different customizable lighting zones and offers expansion by a further two 12 V RGB headers.

The other major inclusion comes in the form of a Broadcom PEX8747 48-lane multi-host PCIe switch. The benefits of including stretch across the whole of the PCIe area as the board includes four full-length PCIe 3.0 slots with metal slot protection which are set up to operate in two different configurations; NA/x16/NA/x16 or at x8/x8/x8/x8. This allows for 32 PCIe 3.0 lanes to be used even though the chipset supports a maximum of 24 meaning up to 4-way SLI multi-graphics card combinations can be utilized when money isn't really an issue or bandwidth was a constraint with PCIe based devices; the PEX8747 PLX chip is designed to alleviate these. 

Power is important to enthusiasts and I'm not talking consumption, I'm talking raw power and the Supermicro C9Z390-PGW is the only board so far to advertise it's capability to support 140 W of TDP. The board disregards extra 12 V ATX CPU power inputs and focuses all of the power through a single 8-pin CPU power input. Cooling wise the C9Z390-PGW has a total of five 4-pin fan headers.

The storage capabilities stretch far and beyond the rest of the overall Z390 product stack with dual M.2 PCIe 3.0 x4 slots with very militaristic looking and a pairing of U.2 PCIe 3.0 x4 slots which do have support for RAID 0 and 1 arrays. The other storage based capability runs primarily off of the Z390 chipset with a total of six SATA ports with support for RAID 0, 1, 5 and 10 arrays. The C9Z390-PGW has four RAM slots with support for DDR4-4133 and has the capacity for up to 64 GB of system memory. 

On the rear panel Supermicro includes four USB 3.1 Gen2 which is split into three Type-A and one Type-C; also present is two USB 3.0 Type-A ports. The C9Z390-PGW features two LAN ports with an Aquantia ACQ107 10 G ports with the other being controlled by an Intel I219V; the Intel I219V is featured on the majority of Z390 boards in some shape or form and seems to be the go-to 1 G Ethernet controller for vendors currently. The board also includes a PS/2 combo port, dual-band 802.11ac Wi-Fi and the onboard audio comprised of five 3.5 mm audio jacks and S/PDIF optical is controlled by a Realtek ALC1220 codec.

The Supermicro C9Z390-CGW is a high-end beast with a plethora of high-end features and as it currently stands, is the only Z390 motherboard to include a dedicated PCIe switch (Broadcom PEX8747). This means gamers with plenty of budget to spare can go balls to the walls with graphics cards and not have to worry about constraints such as bandwidth, which also allows users to utilize more PCIe 3.0 storage capabilities thanks to dual M.2 and U.2 connectivity. While Supermicro is well versed in enterprise-grade hardware, their desktop SuperO Z390-CGW is something to be marvelled at and for the high-end enthusiast, on paper, it has the power to deliver where some boards might not. The Supermicro C9Z390-PGW is a suggested MSRP of $335 which is highly competitive when all the aspects are taking into consideration and feature-set this board has.

NZXT N7 Z390 Supermicro C9Z390-CGW
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  • gavbon - Tuesday, October 09, 2018 - link

    Thank you Hickory, will update now; this information wasn't available to us at the time Reply
  • bill44 - Tuesday, October 09, 2018 - link

    All this boards, but only 1 with Thunderbolt 3. Looks like Thunderbolt 3 is dead (free or not).
    Type C ports and HDMI 2.0 is in short supply too.

    Hopefully next year, we can have two or more USB C (maybe even 3.2), HDMI 2.1, PCIe 4/5 and Thunderbolt 3/4 (Titan Ridge?). Or maybe not, just the same old things hoping for 2020/21.
    Reply
  • DanNeely - Tuesday, October 09, 2018 - link

    There's no licensing fee for TB, the controller chip itself still costs money (IIRC $20 or $30) and still eats 4 PCIe lanes. Worse, IIRC to make the video out feature work they need to be CPU lanes; meaning that adding it means your main GPU slot is an x8, and the secondary one only x4. Reply
  • gavbon - Tuesday, October 09, 2018 - link

    Yeah it's a case of certain vendors opting to dismiss including TB3 ports, which only seems sensible on mini-ITX boards where PCIe lanes aren't too much of an issue. Consumer choice is important though and I'm still glad ASRock has included it; it could be a key buying decision for some! Reply
  • gamingkingx - Friday, October 12, 2018 - link

    Just too bad it is only wired as a x2.. And it is wired into the chipset as far as I am aware, so you are gonna max out your I/Os pretty fast. Reply
  • bill44 - Wednesday, October 10, 2018 - link

    Sure, anything you add will cost something. The are plenty of non-gamers who prefer TB3 vs x16.
    This also highlights how old current PC architecture is. Either we need more PCIe lanes, or faster lanes. Otherwise, all advances will be hindered.

    Up to 6 USB 3.1 Gen 2 ports? You’ be lucky to get 4. Why can’t we have 6 Gen2 ports and the rest Gen1 an no antiquated USB 2.0? PCIe resources.
    All new peripherals use Type C, but this boards generally give you only 1 (saving money on redrivers). USB 3.2 (20 Gbps)? When it comes around, ithis too will need more PCIe lanes. M.2. PCIe 3.0 x4? All lanes are maxed out; the only way forward is faster lanes.

    In the past, Gigabyte was a TB3 champion including the functionality on many of their boards. Now, not a single one.

    Cost saving by motherboard makers? Prioritising gamers? Or simply no demand for TB3.
    The outcome is the same.
    Reply
  • repoman27 - Thursday, October 18, 2018 - link

    Intel merely said that they planned "to make the Thunderbolt protocol specification available to the industry under a nonexclusive, royalty-free license" sometime this year. This hasn't happened yet, and is referring to the protocol spec, not the silicon that Intel produces. If and when they decide to do this, ASMedia or whoever could then begin development of their own Thunderbolt controllers. This means that third-party controllers probably won't appear in shipping products until sometime in 2023.

    As for the currently available Thunderbolt 3 controllers, tray prices range from $6.45 to $9.10. But you also need a USB Type-C and PD controller, power switch, and high-speed mux which runs around $4.59, plus the connector and a few other bits. I don't believe Intel charges a royalty on finished Thunderbolt products, but they do require licensing and certification which are paid for by the OEM and may add significant cost to relatively low-volume products.

    AFAIK, Windows PCs are still required to connect Thunderbolt controllers via the PCH. Apple is the only one using PEG lanes for Thunderbolt, and they don't do that on the 27-inch iMacs where it might adversely impact the GPU.
    Reply
  • Dug - Tuesday, October 09, 2018 - link

    I hope it's not dead. Far more useful than USB C. I would be fine with USB C except there doesn't seem to be a good USB C to USB C hub, which really restricts how many devices you can use. I'm really glad to see it on ASRock itx board so I can attach a portable SSD array. Reply
  • imaheadcase - Wednesday, October 10, 2018 - link

    Tons of monitors of USB-C, anker sells USB-C hubs, I don't think i've seen thunderbolt in a desktop PC to date though. That best part of USB-C is being able to just plug phone into it and copy paste to desktop files (no Microsoft didn't invent that, it was always that way by default in windows) Reply
  • Valantar - Wednesday, October 10, 2018 - link

    TB3 is far from dead, it just has little use in desktop PCs. Have you looked at laptop lineups recently? TB3 is _everywhere_. My workplace (a major university here in Norway) has moved entirely to TB3 docking solutions as they're the only full-featured and universal(-ish) solution.

    eGPUs are useless on desktops. Desktops don't need docks. USB 3.1 is plenty fast for external storage, and if you need faster storage, desktops can fit that internally. The only real use cases for TB3 on a desktop are TB3 networking (for fast direct transfers between PCs) and adding things like extra NVMe or >GbE networking on ITX boards that don't have room for that and a GPU.
    Reply

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