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ASRock B550M-HDV Micro ATX Motherboard $129 + Delivery @ Shopping Express

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Cheapest B550 board I've seen, but it has only 2 DIMM slots and the PCIe slot layout is only suitable for a dual slot dGPU if you want to use the slot below it. I'd think this is more suitable for a lower power APU build with the 4000G CPUs coming in the next few months. VRMs are also quite lacking, not even having heatsinks, but they should be fine for an OC'd 3600 or stock 3700X.

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  • Really wanting a deal on an mITX 550 mobo but haven't seen any movement there.
    I'm giving it until the new gpus drop and then may just go with a B450i if the 550i don't move.

    • Huge slow down in production months ago screwed up the B550i timelines.

      Just another sad effect of corona.

      I've had my 550i on preorder for almost a month now and it's been knocked back twice (〒﹏〒)

      • which retailer? I managed to get one from amazon au.

    • Im in the same boat but given up searching for on 550 mobo .I am not in rush so hoping someone like @Rajeh in OzB community notices and posts a deal when nice bargain comes up.

  • Not many people use more than 2 DIMMs

    • +4

      It's good to have the option though if you want to upgrade.

  • Will this need a bios update to work with a 3600?

    • +4

      It is a B550 board so it comes with Zen 2 support (3600 included) out of the box and current stock will need a BIOS update for Zen 3.

      • nice, cheers

  • Best budget GPU/CPU for 1080p gaming - Ryzen 3 3100 ($159) and GTX 1650 Super ($249)? Wanting to keep it under $500, mainly for Flight Simulator 2020 (happy with medium/1080p). Recommendations please?

    • The whole PC under $500?

      • Just the CPU/GPU combo.

        • +4

          Probably a Ryzen 3 3100 and a Galax GTX 1660 Super 1 Click OC for $329 whenever that comes back. I don't know when the 1600 AF will come back and whether it will be at a decent price.

          • @Void: Could get the 1600AF at Scorptec for 185, for the 2 extra cores (and 4 threads) I'd say the extra 26 is worth it. But that's just me and I'd wanna future proof it a teeeeny bit :P.
            Is it for higher than 60FPS?

            • @MahyarJ: They'll all get higher than 60fps. The 1600 AF may lag behind now with worse single thread but it's only a matter of time…

              • @Void: I tagged badly, I was asking if they want more than 60 fps haha.
                I didn't really think too much about single threaded performance, but I feel like a lot of games are bottlenecking my poor ol' 6600k (1440@144) which, don't get me wrong without hyperthreading is completely fair, but I was just adding my 2 cents. 6 c/12t are helpful in games released post 2017, especially open world ones and keeping it stable, but you really can't go wrong with 4c/8t at 1080p
                I can't wait till we're posting Zen 3 deals, I need an upgrade Asap, and Lisa needs to hurry it up.

                • @MahyarJ: I need an upgrade too, 6C6T is already not looking good in some games (3500X). I'm holding out for something like the B650M Mortar and a Ryzen 5 5600 or 6600 depending on whether AMD skips 5000 to avoid confusion with Navi.

    • Asus PN50

  • may be the AUSU prime b550M is better, 4 slots, and plus DOOM game which bring down the price to same level.

    • Not everyone wants DOOM, or maybe some have other methods which I do not endorse.

      And if it's the 2016 one it's like $10 on Steam.

      • It's the new one, Doom Eternal which you could probably get for around $50. Everyone should want this game but if you want it then you probably already have it.

        Could always sell the code but I'm guessing it's like the nVidia deals where it won't let you claim the game if you don't have the correct hardware.

      • Heh! thanks for reminder. Forgot to claim it 🙃.

  • Decent board with next gen support if you aren’t doing any crazy oc or experiments with it.

  • Can this really handle a 3700x with reasonable VRM temps?

    • It's a 65W chip. 'nuff said. At most it will be at like 80-90A core current, I have no doubts this board can handle that.

      • Not the same board, but I'm using a Biostar A320MH which has a physically similar VRM layout (not sure about the internals) also with no heatsinks. Using a 1600AF so power draw should be quite similar to a 3700x from the testing I've seen online. Stock its around 85-90W, so I guess about 70A for the current.

        Out of the box with the stock cooler, the board ran fine with the VRM around 70-80° under full load.
        However, when I changed to a tower cooler, it eliminated the airflow over the VRM, and temps hit 94°before throttling. Was able to bring them back below 80° by fitting my own tiny heatsinks over the mosfets, and pointing a fan right at them.

        • I would assume that ASRock used higher quality VRMs. The amount and heatsinks aren't everything. I'd take caution with 105W parts, but 65W should be just fine.

          • @Void: Point taken, I'm just speculating based on my own experience.
            For most people though (especially with a 3700x), I think your B450 post is a better option for a bit cheaper.

            • @jp1011: Probably. Btw it's at Centrecom for the same price with free delivery. I put this here in case anyone needs the B550 exclusives like PCIe 4.0, but I'm not sure why you'd want that.

              • @Void: Yep, no doubting this is a good value for people that really need B550. Shame about the MSI B450 though, would've been all over it if only it supported more than a 2 slot gpu + pcie card.

        • +2

          This board has a 4x(1+2) setup whereas A320MH uses 3x(1+1), so it'll be a fair bit better.

          You'll still want to make sure there is some amount of airflow over the VRMs though.

          • @Cielescha: Thanks for the info!

          • @Cielescha: I'm still learning, but what are 4x(1+2) and 3x(1+1)? I thought it was typically listed like 4+2 and 3+2.

            • +2

              @Void: To use 4x(1+2) as an example, 4 is the number of chokes (in this case phases), 1 is the number of high-side transistors and 2 the number of low-side transistors. You can normally multiply it as an equation to get a good indication of the total capacity. For example, 4x(2+2) would perform better than 5x(2+1) even though 5+2 sounds better than 4+2.

              On higher-end boards, you start to see integrated power circuits used in place of high and low transistors. These generally have high capacity, up to as much as 90A per circuit. For example, 4x50A would perform better than 4x(2+2).

              Simplified power phase descriptions i.e. 4+2 and 3+2 ignores the transistor / circuit setup so it only paints half the picture. Another common trick is counting parallel transistor setups as true power phases without the use of a doubler (i.e. MSI X470 Gaming Plus).

              You can find out more about individual setups in this very comprehensive database:

              https://docs.google.com/spreadsheets/d/1wmsTYK9Z3-jUX5LGRoFn…

              Hope that helps!

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