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  • kgardas - Monday, August 12, 2019 - link

    Is it possible to disable chipset's fan or completely unmount the chipsets heatsink and replace with custom fanless solution? Thanks!
  • kgardas - Monday, August 12, 2019 - link

    I mean, this is really nice board especially for claiming official ECC RAM support, but bundled fan on chipset kills that for me.
  • 1_rick - Monday, August 12, 2019 - link

    You'll probably have to skip this generation of motherboards entirely, then--I believe there's only one board of all the launch models without a fan.

    If you're not running a PCIe4 video card, the fan won't make enough noise for you to hear it over your case fans--I have this board and I can't hear the chipset fan at all.
  • kgardas - Monday, August 12, 2019 - link

    There are no case fans in my case, hence my concern over this 4cm screamer.
  • 1_rick - Monday, August 12, 2019 - link

    If you think it's a screamer you're wrong.
  • TheinsanegamerN - Tuesday, September 24, 2019 - link

    If you think it will stay quiet for more then 6 months, you're wrong.
  • 1_rick - Thursday, November 14, 2019 - link

    Well, I got mine on 7/7 and it's still quiet 5 months and 1 week later.
  • chaoticmass - Tuesday, June 16, 2020 - link

    I purchased mine in August. I use it in a Fractal Define R5, which has nice air filters. So far, no problems with the chipset fan.
  • Cooe - Monday, August 12, 2019 - link

    It only spins up when you're seriously pushing the I/O (i.e. NVMe RAID), so you 99% of the time you'll never even hear it. But if it's simply a "no-go" factor for you, then X570 is simply off the table.
  • Lolimaster - Wednesday, August 14, 2019 - link

    x470 is a good option unless you want to go full bonkers using nvme raid savage mode.
  • Peter2k - Tuesday, August 13, 2019 - link

    Then buy 2 cheap ones and have them turn at 800rpm or so

    Even if you switch to a passive cooler, you want some kind of air flow
  • Lolimaster - Wednesday, August 14, 2019 - link

    I would just put 120mm locked at 800rpm
  • bug77 - Tuesday, August 13, 2019 - link

    All fans are quiet out of the box. Give it a year or so and then we'll talk again ;)
  • Alexvrb - Tuesday, August 13, 2019 - link

    I guess you'll have to ask asus what fan they used, because I have plenty of old fans that are quiet. Depends on the bearing design and production quality.

    I mean honestly even most cheap fans are fine for a few years. This isn't 2005 and nobody uses super basic sleeve bearings anymore, they're all more modern derivatives.
  • TheinsanegamerN - Tuesday, September 24, 2019 - link

    I have plenty of fans that still work great after years of use.

    I DONT have any 40mm or smaller fans that work without being louder then a hairdryer.
  • Peter2k - Tuesday, August 13, 2019 - link

    That's because they have to have that gamer look

    If you were using a passive fan that would be taller then a few mm then that wouldn't be an issue

    Like 11 or so watts is a lot to cool really
  • DanNeely - Monday, August 12, 2019 - link

    You could always lift the heat sink up to disconnect the fan; but if you do so and don't install a significantly larger after market heatsink or direct a larger case fan to blow directly onto the chipset you're likely to cook if if/when you start running PCIe4 devices. Almost every x570 board has a chipset sink to handle the much higher thermals it can put out compared to previous generations.
  • kgardas - Monday, August 12, 2019 - link

    That's exactly why I'm asking if it's possible to lift heatsink out without damaging chipset underneath. E.g. is heatsink glued or it is hold on place by some other means. It's not clear from the pictures...
  • Operandi - Monday, August 12, 2019 - link

    It wouldn't be glued. It should just be pushpins holding it in place with regular thermal paste between the chipset and heatsink.

    If you order the board you should be able to measure the center to center spacing for the mounting pins and order a passive heatsink with sufficient surface area. Digikey has large selection to choose from with detailed diagrams and specifications of how much heat they can dissipate.
  • kgardas - Monday, August 12, 2019 - link

    I also hope into pushpins, but then they should be somehow visible, but so far I've not seen them on all the photographs of the board.
  • xelc - Tuesday, August 13, 2019 - link

    Here's picture of the board from back https://t1.daumcdn.net/cfile/tistory/99A240425D3D7... It looks like there are four screws holding the chipset heatsink.
  • xelc - Tuesday, August 13, 2019 - link

    remove the period at the end of the link
  • Peter2k - Tuesday, August 13, 2019 - link

    Der8auer actually replaced that chipset fan with a simple "ye ol" passive fan, like we had in the past

    Not that gamery awesome looking, so bit tall and black
    Worked well, it seemed
  • jabber - Monday, August 12, 2019 - link

    That is a cool looking board! One any adult could be seen with.
  • Alistair - Monday, August 12, 2019 - link

    You know you can turn off the lights right? Adults aren't disturbed by the fact that their motherboard hidden in their case can be turned on. This motherboard is a royal ripoff, you get all the features except the 3rd x8 slot in a board half the price.
  • Operandi - Monday, August 12, 2019 - link

    I appreciated the minimalist aesthetics and lack of "gamer brah" marketing BS. I don't care that it can be turned off, I never want to see it period.

    As to the price this board is a beast and it has some unique features; its price accordingly. Margins on high-end boards are probably less than you expect.
  • jabber - Monday, August 12, 2019 - link

    Yep and some of us don't like paying for kiddie crap we don't want. I'd rather they spend the $20 worth of RGB on better power delivery or a better Ethernet chip, that kind of thing.

    Or just knock $20 off the price. That goes a good way with a SSD or some ram.
  • Alistair - Monday, August 12, 2019 - link

    except this motherboard is an extra $180 for no reason, so removing a 5 cent led that can be turned off in the bios probably won't help, but whatever...
  • CheapSushi - Tuesday, August 13, 2019 - link

    I like the board too. But if you can't see your board, then what are you complaining about? Whining is something children do.
  • Thunder 57 - Tuesday, August 13, 2019 - link

    Yea I hate how it seems everything is "gamer this" or "gamer that".
  • PeachNCream - Tuesday, August 13, 2019 - link

    It's a stylistic choice. It's difficult (pointless) to debate the merits of someone's feelings about how something looks since that sort of thing boils down to opinion and taste. No matter which direction you go, those preferences are not rooted so much in attainment of functionality. Where the frustration begins is within a fairly large segment of the potential market for high end consumer and prosumer computing equipment has no desire to purchase gamer-styled products that typically feature RGB lighting. That segmet's demand is unsatisfied because manufacturers are not catering to them for various reasons and therefore there will be some that speak out in the small hope that a company will acknowledge the unmet demand and sell a suitable product. There's nothing childish about what's happening. You're just seeing economic forces and personal tastes at work.
  • Canam Aldrin - Monday, August 12, 2019 - link

    No thunderbolt 3, no 10GbE. That really holds it back from being a serious workstation board. I couldn’t use it.
  • haukionkannel - Monday, August 12, 2019 - link

    Then msi creation could be suitable to you. Very well done IO section in that board. It seems to miss the ecc memory though... but if all that is needed the upcoming threatripper solutions could ansver that too!
  • Dug - Monday, August 12, 2019 - link

    I agree. When looking for a new system board, this wouldn't do.
    I checked their site and there is no mention of thunderbolt support anywhere.
  • hubick - Monday, August 12, 2019 - link

    I agree. And the second M.2 at only x2 is disappointing, as that basically ruins it for RAID 0/1.

    I like AMD for PCIe 4.0, but I want I/O, not x3 GPU, so I was looking at the Gigabyte X570 Aorus Xtreme, which has x16/x8/x4, ECC, 10GbE (Aquantia boo), triple x4 m.2, and 6 SATA ports (enough for a ZFS raidz2 array). I'll probably wait and go Rome or new Threadripper instead to get more lanes though.
  • mjz_5 - Monday, August 12, 2019 - link

    If you use the third m.2 slot it disables two Sata ports
  • hubick - Monday, August 12, 2019 - link

    Uhg, that sucks. Thanks for the tip though. In advance of a new system, I grabbed a couple Corsair MP600 I'm running in RAID 0 for my OS now, on PCIe 3.0 though, which is mainly what I'd want the first two slots for - but I'd really like a third to house a ZFS slog device. All the more reason to wait for Threadripper/Rome I guess.
  • mjz_5 - Monday, August 12, 2019 - link

    Wonder why they included a U.2 port. Would rather have another M.2 port or at least run the second one at full X4
  • haukionkannel - Monday, August 12, 2019 - link

    U2 is defacto in workstation environment. M2 is more towards the normal consumers.
  • DanNeely - Monday, August 12, 2019 - link

    To an extent I think it's like Sata-Express a few years ago; the multi-year lead time on board design means they need to guess what adoption will look like a few years in advance of selling the product.

    U.2 does have a presence in the highest end enterprise segment; but I suspect that if they knew it was going to be MIA in the prosumer market they probably would've switched its lanes with an onboard m.2.
  • CrystalCowboy - Monday, August 12, 2019 - link

    Look up the specs on the Micron 9300. That should give you appreciation of what is going on in U.2.
  • TheUnhandledException - Monday, August 12, 2019 - link

    Yeah it would have been nice to even have it be m.2 OR u.2 can only use one or the other. Having a half speed m.2 on a workstation board seems a bad design tradeoff. I mean I guess you could use one of those x8 expansion slots for two more m.2 but the onboard m.2 should be full speed in this segment.
  • CheapSushi - Tuesday, August 13, 2019 - link

    U.2 port is the 2nd most versatile port other than PCIe. Too many "enthusiasts" don't seem to understand it. In fact, you can connect M.2 drives to it, at x4 also. You can even use a cable to hook up 4 SATA drives to it. You can connect an actual U.2 drive too. There's so many options with it.
  • TheUnhandledException - Tuesday, August 13, 2019 - link

    You can not connect SATA drives to a u.2 port. You can connect a NVMe m.2 drive to a u.2 port with an adapter but you can also connect a u.2 drive to a m.2 port with an adapter. Given the relatively pricing of u.2 vs m.2 drives short of needing a storage server with 20+ NVMe drives there is little reason to prefer a u.2 port over an m.2 one.
  • Hul8 - Monday, August 12, 2019 - link

    Writer: Please check the meaning of "phase".

    This is not by any means a 12 phase design. It only has 6 distinct phases on main components. Teaming only increases the capacity (per phase).
  • 3DoubleD - Monday, August 12, 2019 - link

    Agreed, this bothered me too. If it is a 6+2 controller and there is no doubler, the CPU only receives 6 distinct phases, regardless of the extra chips on the other end. Mobo manufacturers make this complicated enough to sort out, I'd hope these reviews would be more accurate and transparent than the motherboard's marketing page.

    Whether this makes a significant difference for the intended use case is another thing. They hit the same OC on your Ryzen 3700x sample that you did with the top end x570 boards, so it seems plenty capable with 6 phases to meet the power delivery needs for this CPU, even OC'd.
  • bananaforscale - Monday, August 12, 2019 - link

    This. Go watch Buildzoid videos.
  • Jaguar36 - Monday, August 12, 2019 - link

    Does the RTL8125G included with some of Asus's other X570 boards also have a similar POST time hit?
  • TheUnhandledException - Monday, August 12, 2019 - link

    Nearly perfect but only 2 lanes on the second m.2. Yuck.
  • eva02langley - Monday, August 12, 2019 - link

    The price of these motherboards are getting ridiculous. They cost more than the CPUs.
  • shabby - Monday, August 12, 2019 - link

    I agree, the difference between $200 and $400 boards is slim. The extra power/vrm features aren't needed since all cpus hit a 4.3ghz wall, 10gbe should be standard here.
  • 1_rick - Monday, August 12, 2019 - link

    I bought one of these a couple days after launch and it came with a code for 20% off a custom cable order at CableMod.
  • funks - Monday, August 12, 2019 - link

    PCIE Bottlenecked out of the box.

    Target: Hypothetical 4K -> 8K Video Editing workstation station (using Davinci Resolve)..

    Wants:

    2 - x8 lanes PCIE 3.0 Video Cards - Primary and Secondary X16 slots

    x4 lanes NVME PCIE 4.0 (OS / Application Drive) - Primary M2 slot

    x4 lanes NVME PCIE 4.0 (Data / Scratch Drive) - Secondary M2 slot (hanging off chipset)

    x4 lanes PCIE 2.0 (10 Gigabit NIC) - Tertiary x16 slot (hanging off chipset)

    PCIE 4.0 NVME x4 drives already exist out in the wild, so if you plug one of those on the secondary M2 slot (Data Drive), and happen to plug in a 10 GB PCIE 2.0 x4 card on the third mechanical PCIEx16 slot - then you are bottle necking already as both are trying to go through the PCIE 4.0 x4 link between the chipset and the CPU. For 4K -> 8K Video Editing using a shared file server (connected via 10 Gigabit NIC) along with the DATA drive (secondary M2 running at PCIE 4.0 x4) as a scratch disk - there's a bottle neck. Davinci Resolve for example can use multiple video cards (so primary and secondary PCIEx16 slot will be at 8x each populated with a video card). Primary M2 slot can be used with PCIE 4.0 NVME for OS / Application Data.

    It's like buying a network switch without adequate switching capability for the number of ports exposed. I guess it's why TR4 ain't obsolete.
  • cygnus1 - Monday, August 12, 2019 - link

    I'd say it's fine. You're just building it wrong. I'd suggest putting the scratch disk on the x4 NVMe slot and your boot/app drive on the x2 slot. Scratch disk needs throughput a lot more than the app/boot disk. PCIe 4.0 x4 is overkill for a disk if it's just boot and apps, x2 is fine. The lesser number of channels does not reduce IOPs capabilities and that's more important than bandwidth on the boot/app disk.
  • funks - Monday, August 12, 2019 - link

    For the price you pay on these boards, shouldn't have to compromise.

    BTW, what's up with the dual LAN ports on these boards? People planning on setting up their machines as a router or something? Those two PCIE lanes (One for Realtek LAN - RTL8117 , and one for Intel LAN - I211-AT should have been connected to an Aquantia 10 Gigabit NIC instead.

    2 - PCIE 3.0 lanes have about 2 GB/sec of bandwidth, plenty for a 10 Gigabit ethernet
  • cygnus1 - Monday, August 12, 2019 - link

    So, realistically this has 1 real NIC. The RTL NIC is the remote management controller, aka a BMC. I myself really wouldn't put that on a network that gets exposed to the internet
  • kobblestown - Monday, August 12, 2019 - link

    I fail to see why would anyone choose this instead of a Threadripper board. I bought the Asrock X399 Professional Gaming (stupid name!) one year ago for 350 UK pounds and TR 1920X for the same price. The board has 10G ethernet + plus 2 1G intel ones (plus WiFi but who uses that for real work), 8 memory slots with ECC support, two 16x and 2 8x PCIe slots plus three M.2 slots. No compromises. It even has a serial port (so you can configure Linux with serial console support and log in over that from, say, an RPi). I don't miss anything I see here.
  • ibejohn818 - Monday, August 12, 2019 - link

    Really liked Asus x99 WS boards. However, this feels like a girl with a stuffed bra and fake id... you take her home and realize you can't go all-the-way :(.
    I hope they put together an x399 WS board for TR3 release and I'm looking forward to seeing the TR3 yields and if slim yields are going to raise the prices on the top of the line sku's
  • Lord of the Bored - Monday, August 12, 2019 - link

    But without the lights, how will you know it is working?
  • The_Assimilator - Tuesday, August 13, 2019 - link

    What utter trash. No front USB 3.2, no 10GbE, only 7 rear USB ports. "Workstation" used to mean "no frills and tons of features", Asus has changed that to "has no RGB and costs double the price of better-featured boards".
  • AntonErtl - Tuesday, August 13, 2019 - link

    Thank you for the review.

    I find the >10% performance differences between the boards on some benchmarks surprising. Do you have any idea what is causing that? Are these benchmarks RAM-bandwidth limited, PCIe-limited, or do the slower boards drive the CPU with more voltage for the same clock rate, resulting in lower clock rate at the power limit? Or something else?
  • mblataric - Tuesday, August 13, 2019 - link

    Since this is workstation oriented, it would be nice to see how it works with Windows Server 2019 perhaps with Ryzen 3900X CPU which os more suited for this board.
    I am looking to build new virtualisation host and I would like to run WS 2019 as on OS, instead of Windows 10 (which just updates way to frequently to be used for my scenario).
  • quantumshadow44 - Tuesday, August 13, 2019 - link

    no default 10GbE = fail
  • zzing123 - Tuesday, August 13, 2019 - link

    +1
  • rrinker - Tuesday, August 13, 2019 - link

    Almost was thinking it's time to go back to Asus. No RGB! Hooray! But only 4 SATA ports? Well, so much for that... I'm looking to rebuild my server, M.2 for the OS drive, SATA for my storage drives, but I need way more than 4 ports. Intel NIC is a plus, wish BOTH of them were, instead of one Realtek.
  • CityZ - Tuesday, August 13, 2019 - link

    If you just need lots of SATA ports, but don't need lots of speed, you can use a SATA port multiplier. With 5x multipliers, you could hook up 20 SATA drives. This is good for archive storage drives.
  • rrinker - Wednesday, August 14, 2019 - link

    Needs to be fast enough to stream a couple of 1080 streams, tops. Unless there is an (unlikely) massive drop in large capacity SSD prices in the next couple of months, the bulk with be spinny disk, with a pair of SSDs for fast cache (the storage software I use supports this), and SSD for the OS drive (I'd use the M.2 slots on this MB). Many f the others I've looked at might have 8 SATA ports, but use one M.2 and you lose TWO SATA ports, use the second M.2 and you lose another SATA - so not much better off. Current server as a 2 port SATA PCI card. 10Gbe would be nice but I don;t have a 10Gbe switch, 2 of the same 1Gbe would be fine for basic teaming.
  • StoltHD - Friday, July 10, 2020 - link

    for approx 100USD you can buy a U.2 to M.2 NVME adapter, one U.2 cable and a NVME m.2 to 5 port SATA 3.0 adapter, giving you 5 ports (multiplier) on the U.2 port (Or you can buy a NVME m.2 to 4-port SATA adapter ...

    And if you can also add a NVME to SATA to the second M.2 slot ... thats 10 sata ports.
    I do not know yet of the motherboard sata chip support sata multiplier but if it does, you can add 4 multipliers to those to and get 20 sata ports on thos 4, if you set up a ZFS system correct, you will get near the speed of 4x sata-6 ... or you can use the second (2x pci-e 4) for cache ...

    The second M.2 runs a little over half speed on a pci-e v3 ssd, so it should be usefull for cache ...
  • WatcherCK - Tuesday, August 13, 2019 - link

    Can someone explain how the ECC support for Ryzon Pro works? Do you need a Pro cpu to be able to fully utilize ECC, from what I understand the Pro cpus are more for OEMs to be used in business grade machines...would a standard Ryzen CPU still work?

    With 3 PCIe slots you could do alot with it, NAS or virtualization and for less than what a threadripper system would cost... Just not available in NZ :(
  • zzing123 - Tuesday, August 13, 2019 - link

    No, all Ryzen (except maybe the really low-end/mobile ones) support ECC. The only thing you need to look for is the motherboard and DIMMs.
  • Hul8 - Wednesday, August 14, 2019 - link

    APUs (at least 1000 and 2000 series) don't have ECC capability.
  • Hul8 - Wednesday, August 14, 2019 - link

    This is provably due to them being separate designs from the modular one of mainstream Ryzen/Threadripper/EPYC; The modular chips *had* to have ECC built in them to support it on EPYC, but AMD has very little reason to dedicate any die area or design resources to it on APUs.
  • Zan Lynx - Friday, August 16, 2019 - link

    The APUs don't have ECC support because the Vega does not support it. Since there's a unified memory system, half and half wouldn't work.
  • GreenReaper - Tuesday, August 13, 2019 - link

    They support it, but without motherboard support for reporting of status and error handling, it's hard to have any confidence over whether it's actually working.
  • StoltHD - Friday, July 10, 2020 - link

    You need to use unbuffered ecc, not registered ecc, so you need to seach a little to get the right sticks, but I run 64GB ECC 2666Mhz at 3000Mhz with my 3900X at 4100Mhz (max speed all core I have managed with stock cooler are 4300Mhz all core and 3000Mhz on ram (no cooling on the ram)
  • CityZ - Tuesday, August 13, 2019 - link

    How well will the x8 slot from the chipset work if the chipset itself has only a x4 connection to the CPU and memory?
  • tristank - Tuesday, August 20, 2019 - link

    Thats exactly the same question I asked myself.
  • StoltHD - Friday, July 10, 2020 - link

    For most calculations and "just for display output" it works welll, but it does not work that good if you have work that need high speed between cpu-gpu ...

    So for a high perfomance storage WS it can work well, since you can add a Hyper M.2 to the first PCI-E slot for full 16x PCI-E v.4 speed using 4x PCI-E V4 NVME SSD's, but then you can not utilize the second x16 slot ...

    If you need 2x or more full 16x PCI-E speed, you need to go Epyc ...
  • croc - Wednesday, August 14, 2019 - link

    I cannot consider any amd x570 MB a WS class MB when it is limited to four DIMMs... The lack of 10GBs network interface has been mentioned. Haven't seen anyone mention the lack of a fourth PCIe x 16 slot or the paucity of of x 4 slots. The only thing that is workstation class on this motherboard (or, indeed across the entire x570 range) is the price. Intel server boards (Tyan, Supermicro) offer much more for similar price. CF Supermicro x11dai-n @587 USD from Amazon...
  • StoltHD - Friday, July 10, 2020 - link

    Add the price of the Xeon CPU ...
    If you go that way you can get a 2x Epyc system for near half the price of a 2x xeon system ,,,

    There are epyc motherboards out now with ALL (7-slots) pci-e x16 v.4 ...
    (Asrock ROMED8-2T)
  • umano - Wednesday, August 14, 2019 - link

    It seems a great mb and it has a wonderful look. It is not the board for me, I'd go HEDT with an Atx board, but I like the approach based on quality, caring about details that do not shine on paper or on images but they shine on performance, reliability and why not pleasure to use. The shield and separation for the audio it is a needed touch of design elegance.

    I really hope this is not the last we heard from x570 boards, to me the x570 offer lacks an outstanding pro oriented Itx board.
  • FredeBR - Wednesday, August 14, 2019 - link

    I saw comments that 3900x works very hot (high temperature). On this asus board is it possible to configure processor downclock, like lowering the cpu voltage? I will use for full load processing for more than 24 hours in a row.
  • TheinsanegamerN - Thursday, August 22, 2019 - link

    The 3900x is a 12 core CPU. It's goona need some big boy cooling. If you dont want to deal with the heat you should probably stick with an 8 core ryzen. You could turn off turbo boost, but then why bother shelling out more for the big chips if youre just gonna kneecap it?
  • abufrejoval - Thursday, August 15, 2019 - link

    As much as I like the 3x8 general option, it pains me that the first logical addition to a GPU and perhaps a RAID controller, 10GBase-T Ethernet is going to swallow 8 lanes of PCIe 4, while a single lane would be quite sufficient and actually the Ethernet IP block for that is already supposed to be inside the 'chipset'! And that price, whatever licence cost required to make use of it, should be included.

    Otherwise it looks like one of the sanest mainboard designs I have seen so far.
  • alpha754293 - Thursday, August 15, 2019 - link

    "One of the key elements to this board design is the x8/x8/x8 PCIe 4.0 slot layout. This motherboard is the only one on the market that uses a full PCIe 4.0 x8 lane available from the AMD X570 chipset, enabling an array of different use cases that ASUS believes this market needs. Technically the upstream link to the CPU is still limited to PCIe 4.0 x4, however this does enable PCIe 3.0 x8 cards to have full bandwidth, which accounts for a lot of add in cards (RAID, high-end networking)."

    This is quite possibly one of the worst boards on the market then.

    They have three PCIe 4.0 x16 physical slots, but either only run at its native x16 speeds if you only have one card installed, x8 if you have two, and really x8/x8/**x4** if you have three cards installed since the chipset to CPU interface is a PCIe 4.0 **x4** link.

    That is so dumb.

    Why would they bother putting in a x16 physical slot, and then because of the chipset link, only run it at x4 electrically?

    Quite possibly one of the worst product development/engineering decisions ever.

    A single NVMe PCIe 4.0 x4 SSD would be able to consume all of that bandwidth.
  • moriz - Friday, August 16, 2019 - link

    i think the key here is that the third slot can *supposedly run at PCIe **3.0** x8, which allows it to give full bandwidth to any PCIe 3.0 x8 add-in card.

    *supposedly, because i've yet to see any confirmation that it is capable of doing the PCIe version switch.
  • YaroslavZ - Sunday, August 18, 2019 - link

    hey! , I bought this mobo a couple of days ago, I bought it because I wanted to upgrade my old cpu to R9 3900X, I also happened to have 4 R9 390 gpus (2 390s 2 390x) , sadly I don't have the cpu yet, I do have the r5 1400 lying around but I don't feel like taking it out from completely different cpu and adding it into that costly mobo just to test things out,

    I bought that mobo exactly to run 4way CFX with these gpus, 8x 8x 4+4x* & 4x from m.2 to pcie adapter,

    based on your words, in theory the 3rd slot should be able to use more bandwidth than a simple 4x 3.0 , is that correct? if so then that will pretty good upgrade over a simple 4x.

    anyways just to give you some info, a simple 4x 3.0 uses around 70~75% power of R9 390, while 8x around 99% ,

    I do know that because atm i'm sitting through 8x 8x 4x in asus z170-a , which also have m.2 at x4 so 4way is possible as well but I bought the adapter just recently and I don't really want to sit through sata ssd, as well as this mobo currently have problems with 2 ram slots because of which I can't use dual channel atm, which obviously makes 3gpus to barely outperform a single gpu so adding 4th on top of that is pointless, wish the prices on r9 3900x will fall soon.

    here is stock 3way (8x 8x 4x) 3dmark (firestrike ultra) score in dual channel when I still had it, also, R9 390X performing with stream processors of R9 390's if I got it right(aka it's like 3x of R9 390 even when some of them have X's), because I was forced to use R9 390 as gpu1 to enable CFX,, https://www.3dmark.com/fs/18192586
  • tristank - Tuesday, August 20, 2019 - link

    How does this even works? Is there some kind of translation between PCIe 4.0 x4 to PCIe 3.0 x8. I dont get it. I thought this was not possible.
  • JKJK - Friday, August 16, 2019 - link

    A card like this without 10GbE is completely idiotic.
    You shouldn't have to waste a pci-e port on it. And it should be intel. Let the gamers use the unstable Aquantica shit chips and drivers (been there, done that).
  • Tomyknee - Sunday, September 1, 2019 - link

    All I hear about is the chipset fan. I have read (Buildazoid in May 2019 Gig Master review) that it is the RAID setups going through the Chipset that sets the fan off. Unfortunately the second M.2 is only PCIe x2. Other than SATA drives maxed at 6gbs, it does not make sense to run RAIDO for speed. Samsung will have PCIe 4.0 NVMe M.2 that surpase 7gbs R/W within a year and the 2x will not take advantage of that.

    A deal breaker for me, (I really like this board, really want to order it - looks great and no RGB!)
  • comet424 - Thursday, January 2, 2020 - link

    would this be a good board to run Unraid NAS on a 3900x running my NAS and a VM passthrough of my gaming computer or do I need to buy a gaming board.. I read all the stuff I still not 100% sure.. and if this board will last longer then a Tuf Gaming or ROG board
  • comet424 - Thursday, January 2, 2020 - link

    some how my message didn't save.. but would this be a good board the Pro or gaming board
    if I wanna run a Gaming system under Unraid with a Pass through of the VM to a video card.. and have NAS
  • Melvin George - Wednesday, April 8, 2020 - link

    Is it gud to run 3950x cpu in this motherboard ??
  • StepStep - Thursday, June 4, 2020 - link

    Hi, this motherboard is compatible with Kingston KSM32RD4/32MEI ECC 32 RAM Module?
    This module not is in the QVL list.. Thanks
  • StoltHD - Friday, July 10, 2020 - link

    No, you need unbuffered none registered ecc on this board ...

    I use 2x of this ones (64GB) https://www.samsung.com/semiconductor/dram/module/...
    Running them at 3000Mhz
  • jwh9 - Saturday, December 5, 2020 - link

    I've got one of these on a pc build and the chipset fan makes zero noise.I would know as I've got a fanless psu and a big Noctua in an open case. The gpu coil whine (Quadro RTX) is all I notice.. and that is very faint.. only w heavy viewport loads. The system overall is almost as quiet as my mac pro trash can, which is pretty much the quietest workstation i've ever owned.

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