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post #1 of 18 (permalink) Old 08-11-2019, 02:45 PM - Thread Starter
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Choice between budget B450s

I plan to switch to 3600 or 3600X and I have a choice between the following boards:

Asrock B450M Pro4, 3 phases 2Hi+2Low mosfets per phase, good heatsinks
Asrock B450M Steel Legend, 4 phases, 1Hi+2Low, heatsinks looking doubtful and partially covered by a shroud (I suppose it can be removed)
MSI B450M Gaming Plus, 4 phases 2Hi+2Low, one heatsink
Gigabyte B450M Aorus, 4 phases, 1Hi+2Low, one heatsink

I like the Asrock bios, better audio with steel legend, more USB ports, more fan connectors.
MSI Gaming Plus supposedly has the best vrms (mortar is not in store) and bios updates without cpu but is lacking otherwise.

I wonder which one should I get considering the vrms and the bios updates.
I'm not planing to OC but I like my PC to be cool and silent.
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post #2 of 18 (permalink) Old 08-11-2019, 03:02 PM
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Do yourself a favor and go watch Buildzoid's video's on B450. Anything other then MSI B450 Tomahawk/Mortor then they arn't worth it for the VRM cooling.

https://www.youtube.com/channel/UCrw...gk-FXHQ/videos

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post #3 of 18 (permalink) Old 08-11-2019, 06:07 PM
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I used to think the Steel Legend series was good for the price point. Can't unsee those VRM heatsinks. But it might work well for Ryzen 5 3600. They aren't very power hungry.
Name:  Asrock B450 Steel Legend vrm.jpg
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ASRock B450M PRO4 does have two M.2 slots. As I don't replace drives as my system ages but rather add drives.

Buildzoid video on the MSI B450 Tomahawk was before the ASRock released the B450M Steel Legend. And before Ryzen 3000-series was released.

MSI B450 Tomahawk latest BIOS is still on AGESA 1.0.0.3ab. Just something to keep in mind. ASRock has many boards on 1.0.0.3abb - https://www.asrock.com/support/index.asp?cat=BIOS

All of Gigabyte X470, B450, X370 and B350 boards have latest AGESA.




MSI B450 Tomahawk or ASRock B450M Steel Legend might be good choices depending budget and feature set needed. Make sure plenty of airflow over the VRMs. Top down CPU cooler or having a fan pointed at the VRM should help


B450 tomahawk like the B45- Steel Legend have VRM heatsinks with very little surface area [just a bar of metal with almost no fins on them]. Hence I stress airflow over the VRM heatsinks.


Edit: forgot to include a picture of the tomahawk heatsink fins
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Name:	MSI B450 Tomahawk VRM Area Thermals.jpg
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Last edited by Heuchler; 08-11-2019 at 06:33 PM.
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post #4 of 18 (permalink) Old 08-11-2019, 06:28 PM
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The B450 Tomahawk can get away with less fin area (although the extended heatsink is far larger) because the onsemi 4C024N low side fet is more efficient than the Sinopower on Asrock B450 boards as well as the Onsemi 4C06N on Asus/Gigabyte B450 boards. Additionally having 8 high side fets instead of 4 of them means each has half the current going through it even if you have more parasitic losses.

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post #5 of 18 (permalink) Old 08-11-2019, 07:37 PM - Thread Starter
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The problem is that Tomahawk and Mortar are not in stock. Is like anything MSI worth buying has vanished from every store. I only managed to find MSI B450 Gaming plus.

If I'm willing to spend 200+ euro on a board, yeah, there are options.

Beside, I need mATX format.

Anyway, thanks for answering.

Edit: Why Steel Legend's vrms are bad ?
I see mixed reviews saying it reaches almost 100C, but that yes city guy is a proven idiot, I won't trust anything he says. Other reviews put the temps in mid 60s.

Last edited by etre; 08-11-2019 at 08:18 PM.
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post #6 of 18 (permalink) Old 08-11-2019, 09:26 PM
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Quote: Originally Posted by etre View Post
I'm not planing to OC but I like my PC to be cool and silent.
For a 3600X, any of the boards you mentioned will be fine. For the MSI boards, look for the MAX version as that has the larger BIOS chips. The older non-MAX versions have stripped down BIOS functionality.

One thing I liked about the Asrock B450M Pro4 is that it doesn't have any LED's, and thus doesn't require software to control or disable them.

[edit] Also, for Asrock, be aware that you'll need to use Tctrl when using a custom fan curve: http://forum.asrock.com/forum_posts....-problem#35883

Last edited by thedosbox; 08-11-2019 at 09:29 PM. Reason: added note about use of Tctrl on Asrock for fan control
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post #7 of 18 (permalink) Old 08-11-2019, 09:26 PM
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MSI B450m Mortar Titanium $118 (listing says ships to Europe)
https://www.ebay.com/itm/MSI-Mortar-...d/333276843442

MSI B450M GAMING PLUS looks to be the same board with a slightly worse heatsink (not as extended as the Mortar Titanium)

I read that MSI discontinued the Mortar series. So, some place are charging $150-ish for it.

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post #8 of 18 (permalink) Old 08-12-2019, 12:35 AM
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Quote: Originally Posted by Heuchler View Post
MSI B450m Mortar Titanium $118 (listing says ships to Europe)
https://www.ebay.com/itm/MSI-Mortar-...d/333276843442

MSI B450M GAMING PLUS looks to be the same board with a slightly worse heatsink (not as extended as the Mortar Titanium)

I read that MSI discontinued the Mortar series. So, some place are charging $150-ish for it.
MSI are making the Mortor MAX series so i dont think they have stopped making it yet.

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post #9 of 18 (permalink) Old 08-12-2019, 01:12 AM
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Be aware of some of the issues MSI B450 boards w/ Ryzen 3000 have been having. You can check out the MSI_GAMING reddit. Posting issues, etc. I went with the B450 Tomahawk and had some issues myself (thankfully not as bad as many on the reddit).

Going with a Max board (at least from MSI) is potentially a good precaution.

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post #10 of 18 (permalink) Old 08-12-2019, 07:45 PM - Thread Starter
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Quote: Originally Posted by steelbom View Post
Be aware of some of the issues MSI B450 boards w/ Ryzen 3000 have been having. You can check out the MSI_GAMING reddit. Posting issues, etc. I went with the B450 Tomahawk and had some issues myself (thankfully not as bad as many on the reddit).

Going with a Max board (at least from MSI) is potentially a good precaution.

I did that and seeing people complaining about the release of max version and slow bios updates for the old versions, I dropped MSI. Btw, max versions are nowhere to see in shops around here.

I wanted Asrock Pro4 jus because of the heatsinks and having more hi mosfets than gigabyte but had a longer delivery time.

I ended up with Gigabyte B450M Aorus. The only decent budget board readily available (although that's not a good sign), and with up to date bios. I hope I won't regret it.
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