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MSI MAG Z890 Tomahawk Wi-Fi

Combatus

Reviewer
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Aug 21, 2024
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If recent graphics card launches have persuaded you to consider a new CPU, the Z890 MSI Tomahawk Wi-Fi has the advantage of being able to tap into the overclocking potential of the latest Intel Core Ultra series 2 processors for less than $250.

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Those abbreviation I never cared for - MAG / MPG. Now they have to print the abbreviations on the board MSI Arsenal Gaming = MAG. That yellow look is not to my liking. The product pictures looks like cheap mainboard.

It's nice to see 5Gb Ethernet Ports. It's not so nice to not see the old DP connectors anymore. MSI should reduce the price and not provide sata cables, the other trash or e-waste gifts they provide.

A lack of 20Gbps USB ports is not to my liking.

Thanks for the disassembly pictures. It seems WIFI 7 does not always need those new antenna ports.

z890-tomahawk-24.jpg



Interesting labeling with "Engineering Sample". Is this not an official retail mainboard?
I'm not sure if the usual Vertical M2 slot Module have E and A notches. This one shows only a E notch.

z890-tomahawk-25.jpg



I miss a picture which shows the top view of the pcb when the WIFI module is not in that slot. How it looks like and which notches it has.
 
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I appreciate the review!

I've yet to see anyone talk about the extra PCIE_PWR1 power connector, let alone test the claims by MSI (here).

Any chance you can do power testing with the 4090 and see if you can measure a difference?

I wonder if this is an alternative solution to the power draw issues that are befalling 5090..

X870_PCIE_PWR1.png
 
I appreciate the review!

I've yet to see anyone talk about the extra PCIE_PWR1 power connector, let alone test the claims by MSI (here).

Any chance you can do power testing with the 4090 and see if you can measure a difference?

I wonder if this is an alternative solution to the power draw issues that are befalling 5090..
I usually don't connect mine for the Z890 Unify-X. But I am also not using any of the USB4 ports or more than 1 PCIE slot and M.2 slot. Whats the harm is adding this? Most motherboards have a 6pin already, this is just 8pin now....
 
I usually don't connect mine for the Z890 Unify-X. But I am also not using any of the USB4 ports or more than 1 PCIE slot and M.2 slot. Whats the harm is adding this? Most motherboards have a 6pin already, this is just 8pin now....
There's a massive discussion here about the 5090. I'm just curious if the "2.5 power excursion" offered by this extra 8-pin will help reduce the impact of power spikes through the 12VHPWR connector.
Seems unlikely to mitigate melting, which is more about sustained power draw.
 
ny chance you can do power testing with the 4090 and see if you can measure a difference?

I wonder if this is an alternative solution to the power draw issues that are befalling 5090..
Most if not all cards with 12VHPWR/12V-2x6 don't use the PEG slot for power at all. So I heavily doubt that it would make any difference.
 
It's not so nice to not see the old DP connectors anymore.
It supports DP over TB4 though they could include a cable/adapter.
A lack of 20Gbps USB ports is not to my liking.
Very few Z890 boards have 20Gbps USB aside from the front panel connector. This is likely due to TB4 being on all of the boards.
 
Those abbreviation I never cared for - MAG / MPG. Now they have to print the abbreviations on the board MSI Arsenal Gaming = MAG. That yellow look is not to my liking. The product pictures looks like cheap mainboard.

It's nice to see 5Gb Ethernet Ports. It's not so nice to not see the old DP connectors anymore. MSI should reduce the price and not provide sata cables, the other trash or e-waste gifts they provide.

A lack of 20Gbps USB ports is not to my liking.

Thanks for the disassembly pictures. It seems WIFI 7 does not always need those new antenna ports.

z890-tomahawk-24.jpg



Interesting labeling with "Engineering Sample". Is this not an official retail mainboard?
I'm not sure if the usual Vertical M2 slot Module have E and A notches. This one shows only a E notch.

z890-tomahawk-25.jpg



I miss a picture which shows the top view of the pcb when the WIFI module is not in that slot. How it looks like and which notches it has.
for that PRICES, SATA cables MUST exist, though, I don't care about stickers, altough, it's NICE to get them lol
what's wrong with DP connectors? 4K@60 provided? ENOUGH.
 
I have dropped a few thoughts about the Tomahawk in the Z890 TUF review but I'll continue here with a few more.

Right, so I need to repeat that the EPS connectors are an immensely dumb decision, at least they could've moved one RGB header in their place alongside that lonely fan header.
The proper layout would've been leaving the EPS connectors in the usual corner, and moving the aforementioned fan header and one RGB header from the bottom edge near the DIMMs.
Three RGB headers on the bottom edge constrain the user to route all RGB cables towards that area, which could imply extra cost like cable extensions.

Another aspect which indicates how poorly designed this board is along with many others, well all of them actually, is the configuration of the M.2 slots.
There are 4 slots, the primary one is Gen5 and the others Gen4. Absolutely ideal, except for the fact the second one is basically useless. The heatsink is not toolless and furthermore it gets covered by the GPU.
Which is fine for a fire and forget situation, if nothing breaks why would it need easy access?
The problem is how adequate the cooling is and this factor makes this spot less than ideal.
On top of that the cost needed for this second slot to exist means the other bottom slots get scraps in order to fit the budget.

In my opinion 3 slots are absolutely enough, one can have 10TB (or more) in this setup, the primary using a high tier 2TB Gen4 or even a Gen5, and the bottom 2 slots some lower tier 4TB Gen4 drives.
For more storage the solution is a NAS not dangling countless M.2s on the mobo.

Coming back to the primary slot, the heatsink is rather skinny and not quite adequate for a Gen5 drive.
And this seems strange, why would MSI gimp the mobo for a few cents?
Some smartass will come along and say it's "product segmentation" -> if all boards have beefy M.2 heatsinks why would you buy an expensive one?
Lol, nobody gets persuaded into buying a more expensive board (especially from the same mfg) just due to bigger M.2 heatsinks.
So MSI shot themselves in the foot here because nothing is stopping other mfgs in putting bigger heatsinks on their lower tier boards (hello ASRock).

So the properly designed setup that fits the same budget would be:
- slightly bigger heatsink on the primary slot (if you advertise Gen5 make sure it can run cool enough to be usable);
- no second slot which leaves room for various controllers, retimers etc. so that other areas become less crowded;
- the 2 lower slots should have received shields and thermal pads on the bottom just like the primary slot.


With these changes above the board would have had better layout and utility and thus better value.

With that said I do not regret buying the Tomahawk, to be honest there is no board I am completely happy with, regardless of price and regardless of socket.

And it's not because I have impossible to meet demands it's because in some regards these products are apparently disconnected from the needs of actual users that use these inside a case, and do not take into account how an actual human would manipulate these objects inside a confined space, connecting and disconnecting various plugs, replacing certain components, routing cables etc. (not everyone uses a Corsair 9000D, lol).

/////

Because the SATA cables were mentioned.
I am absolutely in favor of their inclusion, in fact I would've liked 4, the two provided are more than welcome however the one with the 90° connector is not very useful to me.
But I understand the idea of versatility so they're fine.
 
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